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forceString: Show position info

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This commit is contained in:
Eelco Dolstra 2014-04-04 21:14:11 +02:00
parent 27b44b8cf7
commit a5fe730940
6 changed files with 46 additions and 30 deletions
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2
src/libexpr/nixexpr.cc
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@ -145,7 +145,7 @@ void ExprPos::show(std::ostream & str)
std::ostream & operator << (std::ostream & str, const Pos & pos)
{
if (!pos.line)
if (!pos)
str << "undefined position";
else
str << (format("%1%:%2%:%3%") % pos.file % pos.line % pos.column).str();