mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-07-01 02:43:29 +00:00
da2d927bb1
Adds the first type trait that checks that the equality operator is defined for two types. Bug: dawn:441 Change-Id: Ied80c5d876739272c07d513727a3ee709a721eab Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/35522 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Austin Eng <enga@chromium.org> Reviewed-by: Ben Clayton <bclayton@google.com>
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
// Copyright 2020 The Dawn Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef COMMON_TYPETRAITS_H_
|
|
#define COMMON_TYPETRAITS_H_
|
|
|
|
#include <type_traits>
|
|
|
|
template <typename LHS, typename RHS = LHS, typename T = void>
|
|
struct HasEqualityOperator {
|
|
static constexpr const bool value = false;
|
|
};
|
|
|
|
template <typename LHS, typename RHS>
|
|
struct HasEqualityOperator<
|
|
LHS,
|
|
RHS,
|
|
std::enable_if_t<
|
|
std::is_same<decltype(std::declval<LHS>() == std::declval<RHS>()), bool>::value>> {
|
|
static constexpr const bool value = true;
|
|
};
|
|
|
|
#endif // COMMON_TYPE_TRAITS_H_
|