1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
|
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// REQUIRES: std-at-least-c++23
// <ranges>
// class join_with_view : public view_interface<join_with_view<V, Pattern>>
#include <ranges>
#include <concepts>
#include <string>
#include <vector>
template <class T>
struct View : std::ranges::view_base {
std::vector<T>* begin();
std::vector<T>* end();
};
template <class T>
struct Pattern : std::ranges::view_base {
T* begin();
T* end();
};
template <class T>
using JoinWithView = std::ranges::join_with_view<View<T>, Pattern<T>>;
static_assert(std::derived_from<JoinWithView<int>, std::ranges::view_interface<JoinWithView<int>>>);
static_assert(std::derived_from<JoinWithView<void*>, std::ranges::view_interface<JoinWithView<void*>>>);
static_assert(std::derived_from<JoinWithView<std::string>, std::ranges::view_interface<JoinWithView<std::string>>>);
|