29 lines
992 B
C++
29 lines
992 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
|
|
// Some basic examples of how take_while_view might be used in the wild. This is a general
|
|
// collection of sample algorithms and functions that try to mock general usage of
|
|
// this view.
|
|
|
|
#include <algorithm>
|
|
#include <cassert>
|
|
#include <ranges>
|
|
|
|
int main(int, char**) {
|
|
{
|
|
auto input = {0, 1, 2, 3, 4, 5, 6, 5, 4, 3, 2, 1, 0};
|
|
auto small = [](const auto x) noexcept { return x < 5; };
|
|
auto small_ints = input | std::views::take_while(small);
|
|
auto expected = {0, 1, 2, 3, 4};
|
|
assert(std::ranges::equal(small_ints, expected));
|
|
}
|
|
return 0;
|
|
}
|