1// RUN: %check_clang_tidy -std=c++20 %s modernize-use-ranges %t -check-suffixes=,PIPE \
2// RUN: -config="{CheckOptions: { \
3// RUN: modernize-use-ranges.UseReversePipe: true }}" -- -I %S/Inputs/use-ranges/
4// RUN: %check_clang_tidy -std=c++20 %s modernize-use-ranges %t -check-suffixes=,NOPIPE -- -I %S/Inputs/use-ranges/
5
6// CHECK-FIXES: #include <algorithm>
7// CHECK-FIXES: #include <ranges>
8
9#include "fake_std.h"
10
11void stdLib() {
12 std::vector<int> I;
13 std::find(I.rbegin(), I.rend(), 0);
14 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use a ranges version of this algorithm
15 // CHECK-FIXES-NOPIPE: std::ranges::find(std::ranges::reverse_view(I), 0);
16 // CHECK-FIXES-PIPE: std::ranges::find(I | std::views::reverse, 0);
17
18}
19

source code of clang-tools-extra/test/clang-tidy/checkers/modernize/use-ranges-pipe.cpp