forked from OSchip/llvm-project
40 lines
1000 B
C++
40 lines
1000 B
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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <functional>
|
|
|
|
// logical_not
|
|
|
|
#include <functional>
|
|
#include <type_traits>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
typedef std::logical_not<int> F;
|
|
const F f = F();
|
|
static_assert((std::is_base_of<std::unary_function<int, bool>, F>::value), "");
|
|
assert(!f(36));
|
|
assert(f(0));
|
|
#if _LIBCPP_STD_VER > 11
|
|
typedef std::logical_not<> F2;
|
|
const F2 f2 = F2();
|
|
assert(!f2(36));
|
|
assert( f2(0));
|
|
assert(!f2(36L));
|
|
assert( f2(0L));
|
|
|
|
constexpr bool foo = std::logical_not<int> () (36);
|
|
static_assert ( !foo, "" );
|
|
|
|
constexpr bool bar = std::logical_not<> () (36);
|
|
static_assert ( !bar, "" );
|
|
#endif
|
|
}
|