//===----------------------------------------------------------------------===//
//
// 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_CONTAINERS_VIEWS_MDSPAN_CONVERTIBLE_TO_INTEGRAL_H
#define TEST_STD_CONTAINERS_VIEWS_MDSPAN_CONVERTIBLE_TO_INTEGRAL_H
struct IntType {
int val;
constexpr IntType() = default;
constexpr IntType(int v) noexcept : val(v) {}
constexpr bool operator==(const IntType& rhs) const { return val == rhs.val; }
constexpr operator int() const noexcept { return val; }
constexpr operator unsigned char() const { return static_cast<unsigned char>(val); }
constexpr operator signed char() const noexcept { return static_cast<signed char>(val); }
};
// only non-const convertible
struct IntTypeNC {
int val;
constexpr IntTypeNC() = default;
constexpr IntTypeNC(int v) noexcept : val(v) {}
constexpr bool operator==(const IntType& rhs) const { return val == rhs.val; }
constexpr operator int() noexcept { return val; }
constexpr operator unsigned() { return static_cast<unsigned>(val); }
constexpr operator char() noexcept { return static_cast<char>(val); }
};
// weird configurability of convertibility to int
template<bool conv_c, bool conv_nc, bool ctor_nt_c, bool ctor_nt_nc>
struct IntConfig {
int val;
constexpr explicit IntConfig(int val_):val(val_){}
constexpr operator int() noexcept(ctor_nt_nc) requires(conv_nc) { return val; }
constexpr operator int() const noexcept(ctor_nt_c) requires(conv_c) { return val; }
};
#endif // TEST_STD_CONTAINERS_VIEWS_MDSPAN_CONVERTIBLE_TO_INTEGRAL_H