| // { dg-options "-std=gnu++20" } | |
| // { dg-do compile { target c++20 } } | |
| // { dg-require-filesystem-ts "" } | |
| // PR libstdc++/106201 constraint recursion in path(Source const&) constructor. | |
| #include <filesystem> | |
| #include <ranges> | |
| using I = std::counted_iterator<std::filesystem::directory_iterator>; | |
| static_assert( std::swappable<I> ); | |
| using R = std::counted_iterator<std::filesystem::recursive_directory_iterator>; | |
| static_assert( std::swappable<R> ); |