933afa9761
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185597 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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_trivially_assignable
|
|
|
|
#include <type_traits>
|
|
|
|
template <class T, class U>
|
|
void test_is_trivially_assignable()
|
|
{
|
|
static_assert(( std::is_trivially_assignable<T, U>::value), "");
|
|
}
|
|
|
|
template <class T, class U>
|
|
void test_is_not_trivially_assignable()
|
|
{
|
|
static_assert((!std::is_trivially_assignable<T, U>::value), "");
|
|
}
|
|
|
|
struct A
|
|
{
|
|
};
|
|
|
|
struct B
|
|
{
|
|
void operator=(A);
|
|
};
|
|
|
|
int main()
|
|
{
|
|
test_is_trivially_assignable<int&, int&> ();
|
|
test_is_trivially_assignable<int&, int> ();
|
|
test_is_trivially_assignable<int&, double> ();
|
|
|
|
test_is_not_trivially_assignable<int, int&> ();
|
|
test_is_not_trivially_assignable<int, int> ();
|
|
test_is_not_trivially_assignable<B, A> ();
|
|
test_is_not_trivially_assignable<A, B> ();
|
|
}
|