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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef TEST_STD_FUNCTIONOBJECTS_REFWRAP_HELPER_CONCEPTS_H
#define TEST_STD_FUNCTIONOBJECTS_REFWRAP_HELPER_CONCEPTS_H
#include <concepts>
#include <utility>
// Equality
template <typename T>
concept HasEqualityOperatorWithInt = requires(T t, int i) {
{ t.get() == i } -> std::convertible_to<bool>;
};
// Spaceship
template <class T>
concept BooleanTestableImpl = std::convertible_to<T, bool>;
template <class T>
concept BooleanTestable = BooleanTestableImpl<T> && requires(T&& t) {
{ !std::forward<T>(t) } -> BooleanTestableImpl;
};
template <typename T>
concept HasSpaceshipOperatorWithInt = requires(T t, int i) {
{ t < i } -> BooleanTestable;
{ i < t } -> BooleanTestable;
};
#endif // TEST_STD_FUNCTIONOBJECTS_REFWRAP_HELPER_CONCEPTS_H
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