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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../services.html">Services</a></li><li><a href="index.html">words-test</a></li><li><a href="index.html#1">Chapter 1: Scaffolding</a></li><li><b>Unit Tests</b></li></ul></div>
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<p class="purpose">How we shall test it.</p>
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<ul class="toc"><li><a href="1-ut.html#SP1">§1. Lexer</a></li><li><a href="1-ut.html#SP2">§2. Preform</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Lexer. </b></p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">SPOTTED_MC</span><span class="plain-syntax"> </span><span class="constant-syntax">0x00010000</span>
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</pre>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Unit::test_lexer</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">Unit::test_lexer</span></span>:<br/>Program Control - <a href="1-pc.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">arg</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">filename</span><span class="plain-syntax"> *</span><span class="identifier-syntax">F</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/3-fln.html#SP3" class="function-link"><span class="function-syntax">Filenames::from_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">arg</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">source_file</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sf</span><span class="plain-syntax"> = </span><a href="../words-module/3-tff.html#SP3" class="function-link"><span class="function-syntax">TextFromFiles::feed_into_lexer</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">F</span><span class="plain-syntax">, </span><span class="constant-syntax">NULL_GENERAL_POINTER</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">sf</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"File has failed to open\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"File contained %d lexer words\nWord counted at %d\n"</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><a href="../words-module/3-wrd.html#SP7" class="function-link"><span class="function-syntax">Wordings::length</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">sf</span><span class="plain-syntax">-></span><span class="identifier-syntax">text_read</span><span class="plain-syntax">), </span><span class="identifier-syntax">sf</span><span class="plain-syntax">-></span><span class="element-syntax">words_of_source</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_WORDING</span><span class="plain-syntax">(</span><span class="identifier-syntax">wn</span><span class="plain-syntax">, </span><span class="identifier-syntax">sf</span><span class="plain-syntax">-></span><span class="element-syntax">text_read</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">vocabulary_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ve</span><span class="plain-syntax"> = </span><a href="../words-module/3-lxr.html#SP19" class="function-link"><span class="function-syntax">Lexer::word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">wn</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">ve</span><span class="plain-syntax">) && (</span><a href="../words-module/2-vcb.html#SP10" class="function-link"><span class="function-syntax">Vocabulary::test_vflags</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ve</span><span class="plain-syntax">, </span><span class="constant-syntax">SPOTTED_MC</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"%w "</span><span class="plain-syntax">, </span><span class="identifier-syntax">ve</span><span class="plain-syntax">-></span><span class="identifier-syntax">exemplar</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="../words-module/2-vcb.html#SP10" class="function-link"><span class="function-syntax">Vocabulary::set_flags</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ve</span><span class="plain-syntax">, </span><span class="constant-syntax">SPOTTED_MC</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"File contained %d distinct words\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">c</span><span class="plain-syntax">);</span>
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<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="SP2" class="paragraph-anchor"></a><b>§2. Preform. </b></p>
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<pre class="Preform-displayed-code all-displayed-code code-font">
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<span class="Preform-function-syntax"><text></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">invade</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, - }; PRINT("Invading %+W\n", GET_RW(<text>, 1));</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">proclaim</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><any-integer></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, - }; PRINT("It is now %d.\n", R[1]);</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">announce</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><quoted-text></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, - }; PRINT("Attention: %w.\n", Lexer::word_text(R[1]));</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><declaration></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, - }; PRINT("Dominion %d now independent\n", R[1]);</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { FALSE, - }; PRINT("Unknown command\n");</span>
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<span class="Preform-function-syntax"><declaration></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">declare</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><dominion></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">independent</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
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<span class="Preform-function-syntax"><dominion></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">canada</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">india</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">malaya</span>
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</pre>
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<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Unit::test_preform</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">Unit::test_preform</span></span>:<br/>Program Control - <a href="1-pc.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">arg</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">pathname</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/3-pth.html#SP5" class="function-link"><span class="function-syntax">Pathnames::from_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"services"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/3-pth.html#SP4" class="function-link"><span class="function-syntax">Pathnames::down</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"words-test"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/3-pth.html#SP4" class="function-link"><span class="function-syntax">Pathnames::down</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Tangled"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">filename</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/3-fln.html#SP2" class="function-link"><span class="function-syntax">Filenames::in</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Syntax.preform"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="../words-module/4-lp.html#SP1" class="function-link"><span class="function-syntax">LoadPreform::load</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">filename</span><span class="plain-syntax"> *</span><span class="identifier-syntax">F</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/3-fln.html#SP3" class="function-link"><span class="function-syntax">Filenames::from_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">arg</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">source_file</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sf</span><span class="plain-syntax"> = </span><a href="../words-module/3-tff.html#SP3" class="function-link"><span class="function-syntax">TextFromFiles::feed_into_lexer</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">F</span><span class="plain-syntax">, </span><span class="constant-syntax">NULL_GENERAL_POINTER</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">sf</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"File has failed to open\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_WORDING</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">sf</span><span class="plain-syntax">-></span><span class="element-syntax">text_read</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><a href="../words-module/3-lxr.html#SP19" class="function-link"><span class="function-syntax">Lexer::word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">) == </span><span class="identifier-syntax">PARBREAK_V</span><span class="plain-syntax">) </span><span class="reserved-syntax">continue</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">j</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">j</span><span class="plain-syntax"> <= </span><a href="../words-module/3-wrd.html#SP7" class="function-link"><span class="function-syntax">Wordings::last_wn</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">sf</span><span class="plain-syntax">-></span><span class="element-syntax">text_read</span><span class="plain-syntax">))</span>
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<span class="plain-syntax"> && (</span><a href="../words-module/3-lxr.html#SP19" class="function-link"><span class="function-syntax">Lexer::word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">j</span><span class="plain-syntax">) != </span><span class="identifier-syntax">PARBREAK_V</span><span class="plain-syntax">)) </span><span class="identifier-syntax">j</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><a href="../words-module/3-wrd.html#SP5" class="function-link"><span class="function-syntax">Wordings::new</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">j</span><span class="plain-syntax">-1);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">j</span><span class="plain-syntax">-1;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"command: %W: "</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</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="function-syntax"><text></span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">) == </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">PRINT</span><span class="plain-syntax">(</span><span class="string-syntax">"Failed Preform\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">}</span>
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</pre>
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