// { dg-options "-std=gnu++20" } | |
// { dg-do compile { target c++20 } } | |
#include <format> | |
struct Str | |
{ | |
consteval operator std::string_view() const { return ""; } | |
operator std::string_view() = delete; | |
}; | |
// PR libstdc++/108024 | |
static_assert( std::is_constructible_v<std::format_string<>, const Str&> ); | |
static_assert( std::is_convertible_v<const Str&, std::format_string<>> ); | |
constinit std::format_string<> s = Str(); |