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fix compilation guard for "using std::swap"

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[SVN r19009]
This commit is contained in:
Jens Maurer
2003-07-09 23:13:40 +00:00
parent 7d8ab81d48
commit 042d3e08b8
1 changed files with 2 additions and 1 deletions
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3
include/boost/optional.hpp
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@ -296,7 +296,8 @@ void optional_swap ( optional<T>& x, optional<T>& y )
} }
else if ( !!x && !!y ) else if ( !!x && !!y )
{ {
#ifndef __GNUC__ #ifndef BOOST_NO_STDC_NAMESPACE
// allow for Koenig lookup
using std::swap ; using std::swap ;
#endif #endif
swap(*x,*y); swap(*x,*y);