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// Copyright 2023 Google LLC
//
// 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.

#pragma once

#include <algorithm>
#include <array>
#include <span>

template<typename T, size_t size>
constexpr bool operator==(const std::array<T, size>& p_array,
                          const std::span<T>& p_span)
{
  if (p_span.size() != size) {
    return false;
  }

  return std::equal(p_array.begin(), p_array.end(), p_span.begin());
}

template<typename T, size_t size>
constexpr bool operator==(const std::span<T>& p_span,
                          const std::array<T, size>& p_array)
{
  return p_array == p_span;
}

template<typename T, size_t size>
constexpr bool operator!=(const std::array<T, size>& p_array,
                          const std::span<T>& p_span)
{
  return !(p_array == p_span);
}

template<typename T, size_t size>
constexpr bool operator!=(const std::span<T>& p_span,
                          const std::array<T, size>& p_array)
{
  return !(p_array == p_span);
}