diff options
Diffstat (limited to 'libstdc++-v3/include/std/utility')
| -rw-r--r-- | libstdc++-v3/include/std/utility | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libstdc++-v3/include/std/utility b/libstdc++-v3/include/std/utility index 4da9209..6d12839e 100644 --- a/libstdc++-v3/include/std/utility +++ b/libstdc++-v3/include/std/utility @@ -84,14 +84,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION class tuple_element; // Various functions which give std::pair a tuple-like interface. + + /// Partial specialization for std::pair template<class _Tp1, class _Tp2> struct tuple_size<std::pair<_Tp1, _Tp2>> : public integral_constant<std::size_t, 2> { }; + /// Partial specialization for std::pair template<class _Tp1, class _Tp2> struct tuple_element<0, std::pair<_Tp1, _Tp2>> { typedef _Tp1 type; }; + /// Partial specialization for std::pair template<class _Tp1, class _Tp2> struct tuple_element<1, std::pair<_Tp1, _Tp2>> { typedef _Tp2 type; }; |