operators.h

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/*
 * This file is part of the µOS++ project (https://micro-os-plus.github.io/).
 * Copyright (c) 2021-2026 Liviu Ionescu. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose is hereby granted, under the terms of the MIT license.
 *
 * If a copy of the license was not distributed with this file, it can be
 * obtained from https://opensource.org/licenses/mit.
 *
 * Major parts of the code are inspired from v1.1.8 of the Boost UT project,
 * released under the terms of the Boost Version 1.0 Software License,
 * which can be obtained from https://www.boost.org/LICENSE_1_0.txt.
 */
 
// ----------------------------------------------------------------------------

 
#ifndef MICRO_TEST_PLUS_OPERATORS_H_
#define MICRO_TEST_PLUS_OPERATORS_H_
 
// ----------------------------------------------------------------------------
 
#ifdef __cplusplus
 
// ----------------------------------------------------------------------------
 
#include <string_view>
 
#include "type-traits.h"
 
// ----------------------------------------------------------------------------
 
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpadded"
#pragma GCC diagnostic ignored "-Waggregate-return"
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wc++98-compat"
#endif
#endif
 
// ===========================================================================
 
namespace micro_os_plus::micro_test_plus
{
  // --------------------------------------------------------------------------

  namespace operators
  {
    [[nodiscard]] constexpr auto
    operator== (std::string_view lhs, std::string_view rhs);

    [[nodiscard]] constexpr auto
    operator!= (std::string_view lhs, std::string_view rhs);

    template <class Lhs_T, class Rhs_T>
      requires (type_traits::container_like<Lhs_T>
                and type_traits::container_like<Rhs_T>)
    [[nodiscard]] constexpr auto
    operator== (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires (type_traits::container_like<Lhs_T>
                and type_traits::container_like<Rhs_T>)
    [[nodiscard]] constexpr auto
    operator!= (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator== (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator!= (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator> (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator>= (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator< (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator<= (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator and (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class Lhs_T, class Rhs_T>
      requires type_traits::any_op<Lhs_T, Rhs_T>
    [[nodiscard]] constexpr auto
    operator or (const Lhs_T& lhs, const Rhs_T& rhs);

    template <class T>
      requires type_traits::is_op<T>
    [[nodiscard]] constexpr auto
    operator not(const T& t);
 
    // ------------------------------------------------------------------------
  } // namespace operators
 
  // --------------------------------------------------------------------------
} // namespace micro_os_plus::micro_test_plus
 
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
 
// ----------------------------------------------------------------------------
 
#endif // __cplusplus
 
// ============================================================================
// Templates & constexpr implementations.
 
#include "inlines/operators-inlines.h"
 
// ----------------------------------------------------------------------------
 
#endif // MICRO_TEST_PLUS_OPERATORS_H_
 
// ----------------------------------------------------------------------------