+2010-01-03 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * include/bits/stl_pair.h (pair<>::pair(_U1&&, const _T2&),
+ pair<>::pair(const _T1&, _U2&&), pair<>::pair(_U1&&, _U2&&)):
+ Use std::is_constructible instead of std::is_convertible.
+
2010-01-01 Paolo Carlini <paolo.carlini@oracle.com>
Revert last change, reinstantiate basic_string and vstring tests.
#ifdef __GXX_EXPERIMENTAL_CXX0X__
// DR 811.
template<class _U1, class = typename
- std::enable_if<std::is_convertible<_U1, _T1>::value>::type>
+ std::enable_if<std::is_constructible<_T1, _U1&&>::value>::type>
pair(_U1&& __x, const _T2& __y)
: first(std::forward<_U1>(__x)),
second(__y) { }
template<class _U2, class = typename
- std::enable_if<std::is_convertible<_U2, _T2>::value>::type>
+ std::enable_if<std::is_constructible<_T2, _U2&&>::value>::type>
pair(const _T1& __x, _U2&& __y)
: first(__x),
second(std::forward<_U2>(__y)) { }
template<class _U1, class _U2, class = typename
- std::enable_if<std::is_convertible<_U1, _T1>::value
- && std::is_convertible<_U2, _T2>::value>::type>
+ std::enable_if<std::is_constructible<_T1, _U1&&>::value
+ && std::is_constructible<_T2, _U2&&>::value>::type>
pair(_U1&& __x, _U2&& __y)
: first(std::forward<_U1>(__x)),
second(std::forward<_U2>(__y)) { }