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| author | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-27 16:33:01 +0000 |
|---|---|---|
| committer | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-27 16:33:01 +0000 |
| commit | b57647c87efbb165071dbe8678aaf0c68bdafc26 (patch) | |
| tree | 7a2e34e7bfa008be469775c38b613e29a072ff84 /libstdc++-v3/include/std/tuple | |
| parent | 258aff7e47f290954df3f2be5e67d5649e043951 (diff) | |
| download | ppe42-gcc-b57647c87efbb165071dbe8678aaf0c68bdafc26.tar.gz ppe42-gcc-b57647c87efbb165071dbe8678aaf0c68bdafc26.zip | |
N3887 Consistent Metafunction Aliases
* include/std/tuple (tuple_element_t): Define.
* testsuite/20_util/tuple/tuple_element.cc: Change to compile-only
test.
* testsuite/20_util/tuple/tuple_element_t.cc: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@209840 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/include/std/tuple')
| -rw-r--r-- | libstdc++-v3/include/std/tuple | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libstdc++-v3/include/std/tuple b/libstdc++-v3/include/std/tuple index 47a10ec75fc..03d87d77aa0 100644 --- a/libstdc++-v3/include/std/tuple +++ b/libstdc++-v3/include/std/tuple @@ -710,6 +710,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION add_cv<typename tuple_element<__i, _Tp>::type>::type type; }; +#if __cplusplus > 201103L + template<std::size_t __i, typename _Tp> + using tuple_element_t = typename tuple_element<__i, _Tp>::type; +#endif + /// Finds the size of a given tuple type. template<typename _Tp> struct tuple_size; |
