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protected call in ref

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p.kosyh 2010-07-24 17:34:41 +00:00
parent 49745927e4
commit 21cb8e23e1
1 changed files with 5 additions and 1 deletions
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6
stead/stead.lua
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@ -497,7 +497,11 @@ function ref(n) -- ref object by name
return n;
end
if type(n) == 'function' then
return ref(n());
local r,v = pcall(n);
if not r then
return nil
end
return ref(v);
end
return nil
end