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Use __make_integer_seq builtin for std::make_integer_sequence. Patch by K-ballo.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@255162 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2015-12-09 22:03:06 +00:00
parent 5be047d322
commit 76d2446cf4
6 changed files with 68 additions and 12 deletions
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6
test/std/utilities/intseq/intseq.make/make_integer_seq.pass.cpp
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@@ -12,14 +12,14 @@
// template<class T, T N>
// using make_integer_sequence = integer_sequence<T, 0, 1, ..., N-1>;
// UNSUPPORTED: c++98, c++03, c++11
#include <utility>
#include <type_traits>
#include <cassert>
int main()
{
#if _LIBCPP_STD_VER > 11
static_assert(std::is_same<std::make_integer_sequence<int, 0>, std::integer_sequence<int>>::value, "");
static_assert(std::is_same<std::make_integer_sequence<int, 1>, std::integer_sequence<int, 0>>::value, "");
static_assert(std::is_same<std::make_integer_sequence<int, 2>, std::integer_sequence<int, 0, 1>>::value, "");
@@ -29,6 +29,4 @@ int main()
static_assert(std::is_same<std::make_integer_sequence<unsigned long long, 1>, std::integer_sequence<unsigned long long, 0>>::value, "");
static_assert(std::is_same<std::make_integer_sequence<unsigned long long, 2>, std::integer_sequence<unsigned long long, 0, 1>>::value, "");
static_assert(std::is_same<std::make_integer_sequence<unsigned long long, 3>, std::integer_sequence<unsigned long long, 0, 1, 2>>::value, "");
#endif // _LIBCPP_STD_VER > 11
}