functional.h

// Copyright 2025 The Pigweed 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
//
//     https://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.
#pragma once
 
namespace pw {
 
// Performs comparisons with operator==, similar to C++14's `std::equal_to<>`.
struct EqualTo {
  template <typename T, typename U>
  constexpr bool operator()(const T& lhs, const U& rhs) const {
    return lhs == rhs;
  }
};
 
}  // namespace pw