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<!-- Weave of 'Requirements' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../inbuildn.html" > Inbuild Modules< / a > < / li > < li > < a href = "index.html" > supervisor< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Conceptual Framework< / a > < / li > < li > < b > Requirements< / b > < / li > < / ul > < / div >
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< p class = "purpose" > A requirement is a way to specify some subset of works: for example, those with a given title, and/or version number.< / p >
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< ul class = "toc" > < li > < a href = "2-rqr.html#SP1" > § 1. Creation< / a > < / li > < li > < a href = "2-rqr.html#SP6" > § 6. Writing< / a > < / li > < li > < a href = "2-rqr.html#SP7" > § 7. Meeting requirements< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. Creation. < / b > A requirement is, in effect, the criteria for performing a search. We can
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specify the title, and/or the author name, and/or the genre — all given
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in the < span class = "extract" > < span class = "extract-syntax" > work< / span > < / span > field below, with those unspecified left blank — and/or
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we can give a semantic version number range:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inbuild_work< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > work< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semver_range< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > version_range< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure inbuild_requirement is accessed in 1/ic, 2/edt, 2/cps, 2/ce, 2/jm, 3/bg, 3/ib, 3/is, 3/is2, 4/em, 4/km, 4/lm, 4/pm, 4/pbm, 4/pfm, 4/tm, 5/es, 5/ks, 5/ls, 5/ps2, 6/st, 6/hdn, 6/inc, 7/dct, 7/cns, 7/ip, 7/ip2 and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > Here are some creators:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Requirements::new< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::new< / span > < / span > :< br / > Kit Services - < a href = "5-ks.html#SP4_3_1_1" > § 4.3.1.1< / a > < br / > Language Services - < a href = "5-ls.html#SP6" > § 6< / a > < br / > Project Services - < a href = "5-ps2.html#SP19_1" > § 19.1< / a > < br / > Inclusions - < a href = "6-inc.html#SP4_1" > § 4.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inbuild_work< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > work< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > semver_range< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > R< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > work< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > R< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Requirements::any_version_of< / span > < button class = "popup" onclick = "togglePopup('usagePopup2')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup2" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::any_version_of< / span > < / span > :< br / > Inter Skill - < a href = "3-is.html#SP3" > § 3< / a > , < a href = "3-is.html#SP4" > § 4< / a > < br / > Kit Services - < a href = "5-ks.html#SP4_3_1_2" > § 4.3.1.2< / a > , < a href = "5-ks.html#SP7" > § 7< / a > < br / > Language Services - < a href = "5-ls.html#SP6" > § 6< / a > , < a href = "5-ls.html#SP9" > § 9< / a > < br / > Project Services - < a href = "5-ps2.html#SP14" > § 14< / a > , < a href = "5-ps2.html#SP17" > § 17< / a > , < a href = "5-ps2.html#SP19_1" > § 19.1< / a > < br / > Inclusions - < a href = "6-inc.html#SP5_1_2" > § 5.1.2< / a > < br / > Dictionary - < a href = "7-dct.html#SP9" > § 9< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inbuild_work< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > work< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-rqr.html#SP2" class = "function-link" > < span class = "function-syntax" > Requirements::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > work< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > VersionNumberRanges::any_range< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Requirements::anything_of_genre< / span > < button class = "popup" onclick = "togglePopup('usagePopup3')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup3" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::anything_of_genre< / span > < / span > :< br / > Language Services - < a href = "5-ls.html#SP10" > § 10< / a > < br / > Census - < a href = "7-cns.html#SP7" > § 7< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inbuild_genre< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > G< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-rqr.html#SP2" class = "function-link" > < span class = "function-syntax" > Requirements::any_version_of< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-wrk.html#SP2" class = "function-link" > < span class = "function-syntax" > Works::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > G< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Requirements::anything< / span > < button class = "popup" onclick = "togglePopup('usagePopup4')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup4" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::anything< / span > < / span > :< br / > < a href = "2-rqr.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-rqr.html#SP2" class = "function-link" > < span class = "function-syntax" > Requirements::anything_of_genre< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > The most involved of the creators parses text. An involved example might be:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > genre=extension,author=Emily Short,title=Locksmith,min=6.1-alpha.2,max=17.2< / span >
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< / pre >
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< p class = "commentary" > We should return a requirement if this is valid, and write an error message if
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it is not. (If the text has multiple things wrong with it, we write only the
first error message arising.)
< / p >
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< p class = "commentary" > At the top level, we have a comma-separated list of clauses. Note that the
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empty text is legal here, and produces an unlimited requirement.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Requirements::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > = < / span > < a href = "2-rqr.html#SP2" class = "function-link" > < span class = "function-syntax" > Requirements::anything< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > ','< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > initial< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::substr< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > initial< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Str::at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > Str::at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < a href = "2-rqr.html#SP4" class = "function-link" > < span class = "function-syntax" > Requirements::impose_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > initial< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > initial< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > + < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > final< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::substr< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > final< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Str::at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > Str::end< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < a href = "2-rqr.html#SP4" class = "function-link" > < span class = "function-syntax" > Requirements::impose_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > final< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > final< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > Each clause must either be < span class = "extract" > < span class = "extract-syntax" > all< / span > < / span > or take the form < span class = "extract" > < span class = "extract-syntax" > term=value< / span > < / span > :
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Requirements::impose_clause< / span > < button class = "popup" onclick = "togglePopup('usagePopup5')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup5" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::impose_clause< / span > < / span > :< br / > < a href = "2-rqr.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::trim_white_space< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "all"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '='< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::substr< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Str::start< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > Str::at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::substr< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Str::at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > +1), < / span > < span class = "identifier-syntax" > Str::end< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::trim_white_space< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::trim_white_space< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-rqr.html#SP4_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Deal with a term-value pair< / span > < span class = "named-paragraph-number" > 4.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "clause not in the form 'term=value': '%S'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4_1" class = "paragraph-anchor" > < / a > < b > § 4.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Deal with a term-value pair< / span > < span class = "named-paragraph-number" > 4.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "genre"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inbuild_genre< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > G< / span > < span class = "plain-syntax" > = < / span > < a href = "2-gnr.html#SP3" class = "function-link" > < span class = "function-syntax" > Genres::by_name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > G< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > G< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "not a valid genre: '%S'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "title"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "author"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "version"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > = < / span > < a href = "2-rqr.html#SP5" class = "function-link" > < span class = "function-syntax" > Requirements::semver< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VersionNumberRanges::compatibility_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "min"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > = < / span > < a href = "2-rqr.html#SP5" class = "function-link" > < span class = "function-syntax" > Requirements::semver< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VersionNumberRanges::at_least_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "max"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > = < / span > < a href = "2-rqr.html#SP5" class = "function-link" > < span class = "function-syntax" > Requirements::semver< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VersionNumberRanges::at_most_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "no such term as '%S'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > term< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-rqr.html#SP4" > § 4< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Requirements::semver< / span > < button class = "popup" onclick = "togglePopup('usagePopup6')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup6" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::semver< / span > < / span > :< br / > < a href = "2-rqr.html#SP4_1" > § 4.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VersionNumbers::is_null< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > errors< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "not a valid version number: '%S'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. Writing. < / b > This is the inverse of the above function, and uses the same notation.
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Requirements::write< / span > < button class = "popup" onclick = "togglePopup('usagePopup7')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup7" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::write< / span > < / span > :< br / > Build Graphs - < a href = "3-bg.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) { < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "< none> "< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ","< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "genre=%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre_name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ","< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "work=%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ","< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "author=%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VersionNumberRanges::is_any_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ","< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "range="< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > VersionNumberRanges::write_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > claused< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "all"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. Meeting requirements. < / b > Finally, we actually use these intricacies for something. Given an edition,
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we return < span class = "extract" > < span class = "extract-syntax" > TRUE< / span > < / span > if it meets the requirements and < span class = "extract" > < span class = "extract-syntax" > FALSE< / span > < / span > if it does not.
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< / p >
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< p class = "commentary" > Note that requirements are based on the edition, not on the copy. If one
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copy on file of Version 3.2 of Monkey Puzzle Trees by Capability Brown meets
a requirement, then so will all other copies of it.
< / p >
2020-02-27 13:18:25 +02:00
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Requirements::meets< / span > < button class = "popup" onclick = "togglePopup('usagePopup8')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup8" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::meets< / span > < / span > :< br / > Extension Manager - < a href = "4-em.html#SP6" > § 6< / a > < br / > Kit Manager - < a href = "4-km.html#SP7" > § 7< / a > < br / > Language Manager - < a href = "4-lm.html#SP5" > § 5< / a > < br / > Pipeline Manager - < a href = "4-pm.html#SP5" > § 5< / a > < br / > Template Manager - < a href = "4-tm.html#SP5" > § 5< / a > < br / > Extension Services - < a href = "5-es.html#SP16" > § 16< / a > < br / > Kit Services - < a href = "5-ks.html#SP14" > § 14< / a > < br / > Inclusions - < a href = "6-inc.html#SP5" > § 5< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inbuild_edition< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > edition< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > edition< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::ne_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > edition< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::ne_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > edition< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumberRanges::in_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > edition< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > req< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > This is a very weak form of testing that requirement < span class = "extract" > < span class = "extract-syntax" > A< / span > < / span > is stronger than
requirement < span class = "extract" > < span class = "extract-syntax" > B< / span > < / span > concerning the same work; it only catches the case where < span class = "extract" > < span class = "extract-syntax" > B< / span > < / span >
imposes no version constraints.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Requirements::trumps< / span > < button class = "popup" onclick = "togglePopup('usagePopup9')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup9" > Usage of < span class = "code-font" > < span class = "function-syntax" > Requirements::trumps< / span > < / span > :< br / > Kit Services - < a href = "5-ks.html#SP14" > § 14< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > inbuild_requirement< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > work< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > genre< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::ne_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > title< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::ne_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > work< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > author_name< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VersionNumberRanges::is_any_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version_range< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "2-ce.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-sm.html" > 1< / a > < / li > < li class = "progresscurrentchapter" > 2< / li > < li class = "progresssection" > < a href = "2-gnr.html" > gnr< / a > < / li > < li class = "progresssection" > < a href = "2-wrk.html" > wrk< / a > < / li > < li class = "progresssection" > < a href = "2-edt.html" > edt< / a > < / li > < li class = "progresssection" > < a href = "2-cps.html" > cps< / a > < / li > < li class = "progresssection" > < a href = "2-ce.html" > ce< / a > < / li > < li class = "progresscurrent" > rqr< / li > < li class = "progresssection" > < a href = "2-nst.html" > nst< / a > < / li > < li class = "progresssection" > < a href = "2-rgs.html" > rgs< / a > < / li > < li class = "progresssection" > < a href = "2-jm.html" > jm< / a > < / li > < li class = "progresschapter" > < a href = "3-bg.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-em.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-es.html" > 5< / a > < / li > < li class = "progresschapter" > < a href = "6-st.html" > 6< / a > < / li > < li class = "progresschapter" > < a href = "7-tm.html" > 7< / a > < / li > < li class = "progressnext" > < a href = "2-nst.html" > ❯ < / a > < / li > < / ul > < / div >
2020-05-03 03:01:21 +03:00
< / nav > <!-- End of weave -->
2020-02-27 13:18:25 +02:00
2020-03-19 02:11:25 +02:00
< / main >
2020-02-27 13:18:25 +02:00
< / body >
< / html >
