diff options
Diffstat (limited to 'test/std/utilities/utility/pairs/pair.astuple/get_const.pass.cpp')
-rw-r--r-- | test/std/utilities/utility/pairs/pair.astuple/get_const.pass.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/std/utilities/utility/pairs/pair.astuple/get_const.pass.cpp b/test/std/utilities/utility/pairs/pair.astuple/get_const.pass.cpp new file mode 100644 index 0000000000000..fcda3664d9b62 --- /dev/null +++ b/test/std/utilities/utility/pairs/pair.astuple/get_const.pass.cpp @@ -0,0 +1,38 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <utility> + +// template <class T1, class T2> struct pair + +// template<size_t I, class T1, class T2> +// const typename tuple_element<I, std::pair<T1, T2> >::type& +// get(const pair<T1, T2>&); + +#include <utility> +#include <cassert> + +int main() +{ + { + typedef std::pair<int, short> P; + const P p(3, 4); + assert(std::get<0>(p) == 3); + assert(std::get<1>(p) == 4); + } + +#if __cplusplus > 201103L + { + typedef std::pair<int, short> P; + constexpr P p1(3, 4); + static_assert(std::get<0>(p1) == 3, ""); + static_assert(std::get<1>(p1) == 4, ""); + } +#endif +} |