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Implement LWG #2212: std::is_final. This requires compiler support, which modern versions of clang provide. Also mark LWG #2230 as complete - no code changes needed.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@202934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2014-03-05 03:39:25 +00:00
parent 23ef151614
commit ebd6c2b81d
3 changed files with 63 additions and 2 deletions
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53
test/utilities/meta/meta.unary/meta.unary.prop/is_final.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// type_traits
// is_final
#include <type_traits>
#if __cplusplus >= 201103L
struct P final { };
union U1 { };
union U2 final { };
template <class T>
void test_is_final()
{
static_assert( std::is_final<T>::value, "");
static_assert( std::is_final<const T>::value, "");
static_assert( std::is_final<volatile T>::value, "");
static_assert( std::is_final<const volatile T>::value, "");
}
template <class T>
void test_is_not_final()
{
static_assert(!std::is_final<T>::value, "");
static_assert(!std::is_final<const T>::value, "");
static_assert(!std::is_final<volatile T>::value, "");
static_assert(!std::is_final<const volatile T>::value, "");
}
int main ()
{
test_is_not_final<int>();
test_is_not_final<int*>();
test_is_final <P>();
test_is_not_final<P*>();
test_is_not_final<U1>();
test_is_not_final<U1*>();
test_is_final <U2>();
test_is_not_final<U2*>();
}
#else
int main () {}
#endif