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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// template<class T>
// concept sized_range;
#include <ranges>
#include "test_iterators.h"
static_assert(std::ranges::sized_range<int[5]>);
static_assert(std::ranges::sized_range<int (&)[5]>);
static_assert(!std::ranges::sized_range<int (&)[]>);
static_assert(!std::ranges::sized_range<int[]>);
struct range_has_size {
bidirectional_iterator<int*> begin();
bidirectional_iterator<int*> end();
int size();
};
static_assert(std::ranges::sized_range<range_has_size>);
static_assert(!std::ranges::sized_range<range_has_size const>);
struct range_has_const_size {
bidirectional_iterator<int*> begin();
bidirectional_iterator<int*> end();
int size() const;
};
static_assert(std::ranges::sized_range<range_has_const_size>);
static_assert(!std::ranges::sized_range<range_has_const_size const>);
struct const_range_has_size {
bidirectional_iterator<int*> begin() const;
bidirectional_iterator<int*> end() const;
int size();
};
static_assert(std::ranges::sized_range<const_range_has_size>);
static_assert(std::ranges::range<const_range_has_size const>);
static_assert(!std::ranges::sized_range<const_range_has_size const>);
struct const_range_has_const_size {
bidirectional_iterator<int*> begin() const;
bidirectional_iterator<int*> end() const;
int size() const;
};
static_assert(std::ranges::sized_range<const_range_has_const_size>);
static_assert(std::ranges::sized_range<const_range_has_const_size const>);
struct sized_sentinel_range_has_size {
int* begin();
int* end();
};
static_assert(std::ranges::sized_range<sized_sentinel_range_has_size>);
static_assert(!std::ranges::sized_range<sized_sentinel_range_has_size const>);
struct const_sized_sentinel_range_has_size {
int* begin() const;
int* end() const;
};
static_assert(std::ranges::sized_range<const_sized_sentinel_range_has_size>);
static_assert(std::ranges::sized_range<const_sized_sentinel_range_has_size const>);
struct non_range_has_size {
int size() const;
};
static_assert(requires(non_range_has_size const x) { std::ranges::size(x); });
static_assert(!std::ranges::sized_range<non_range_has_size>);
static_assert(!std::ranges::sized_range<non_range_has_size const>);
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