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added pair < operator for case where key (first type) is the same.

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[SVN r82709]
This commit is contained in:
Joel de Guzman
2013-02-04 04:10:29 +00:00
parent 7b6cf39540
commit 9c5d6bcc8c
1 changed files with 7 additions and 0 deletions
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7
include/boost/fusion/support/pair.hpp
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@ -105,6 +105,13 @@ namespace boost { namespace fusion
{ {
return l.second != r.second; return l.second != r.second;
} }
template <typename First, typename SecondL, typename SecondR>
inline bool
operator<(pair<First, SecondL> const& l, pair<First, SecondR> const& r)
{
return l.second < r.second;
}
}} }}
#if defined (BOOST_MSVC) #if defined (BOOST_MSVC)