You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
3.5 KiB
67 lines
3.5 KiB
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++98, c++03, c++11, c++14
|
|
// type_traits
|
|
|
|
// template<class... B> struct conjunction; // C++17
|
|
// template<class... B>
|
|
// constexpr bool conjunction_v = conjunction<B...>::value; // C++17
|
|
|
|
#include <type_traits>
|
|
#include <cassert>
|
|
|
|
struct True { static constexpr bool value = true; };
|
|
struct False { static constexpr bool value = false; };
|
|
|
|
int main()
|
|
{
|
|
static_assert ( std::conjunction<>::value, "" );
|
|
static_assert ( std::conjunction<std::true_type >::value, "" );
|
|
static_assert (!std::conjunction<std::false_type>::value, "" );
|
|
|
|
static_assert ( std::conjunction_v<>, "" );
|
|
static_assert ( std::conjunction_v<std::true_type >, "" );
|
|
static_assert (!std::conjunction_v<std::false_type>, "" );
|
|
|
|
static_assert ( std::conjunction<std::true_type, std::true_type >::value, "" );
|
|
static_assert (!std::conjunction<std::true_type, std::false_type>::value, "" );
|
|
static_assert (!std::conjunction<std::false_type, std::true_type >::value, "" );
|
|
static_assert (!std::conjunction<std::false_type, std::false_type>::value, "" );
|
|
|
|
static_assert ( std::conjunction_v<std::true_type, std::true_type >, "" );
|
|
static_assert (!std::conjunction_v<std::true_type, std::false_type>, "" );
|
|
static_assert (!std::conjunction_v<std::false_type, std::true_type >, "" );
|
|
static_assert (!std::conjunction_v<std::false_type, std::false_type>, "" );
|
|
|
|
static_assert ( std::conjunction<std::true_type, std::true_type, std::true_type >::value, "" );
|
|
static_assert (!std::conjunction<std::true_type, std::false_type, std::true_type >::value, "" );
|
|
static_assert (!std::conjunction<std::false_type, std::true_type, std::true_type >::value, "" );
|
|
static_assert (!std::conjunction<std::false_type, std::false_type, std::true_type >::value, "" );
|
|
static_assert (!std::conjunction<std::true_type, std::true_type, std::false_type>::value, "" );
|
|
static_assert (!std::conjunction<std::true_type, std::false_type, std::false_type>::value, "" );
|
|
static_assert (!std::conjunction<std::false_type, std::true_type, std::false_type>::value, "" );
|
|
static_assert (!std::conjunction<std::false_type, std::false_type, std::false_type>::value, "" );
|
|
|
|
static_assert ( std::conjunction_v<std::true_type, std::true_type, std::true_type >, "" );
|
|
static_assert (!std::conjunction_v<std::true_type, std::false_type, std::true_type >, "" );
|
|
static_assert (!std::conjunction_v<std::false_type, std::true_type, std::true_type >, "" );
|
|
static_assert (!std::conjunction_v<std::false_type, std::false_type, std::true_type >, "" );
|
|
static_assert (!std::conjunction_v<std::true_type, std::true_type, std::false_type>, "" );
|
|
static_assert (!std::conjunction_v<std::true_type, std::false_type, std::false_type>, "" );
|
|
static_assert (!std::conjunction_v<std::false_type, std::true_type, std::false_type>, "" );
|
|
static_assert (!std::conjunction_v<std::false_type, std::false_type, std::false_type>, "" );
|
|
|
|
static_assert ( std::conjunction<True >::value, "" );
|
|
static_assert (!std::conjunction<False>::value, "" );
|
|
|
|
static_assert ( std::conjunction_v<True >, "" );
|
|
static_assert (!std::conjunction_v<False>, "" );
|
|
}
|