1 // { dg-options "-std=c++17 -fchar8_t" } 2 3 #include <cstdint> 4 #include <cassert> 5 6 int operator"" _foo(const char*) { return 0; } 7 int operator"" _foo(unsigned long long int) { return 1; } 8 int operator"" _foo(long double) { return 2; } 9 int operator"" _foo(char) { return 3; } 10 int operator"" _foo(wchar_t) { return 4; } 11 int operator"" _foo(char8_t) { return 5; } 12 int operator"" _foo(char16_t) { return 6; } 13 int operator"" _foo(char32_t) { return 7; } 14 int operator"" _foo(const char*, std::size_t) { return 8; } 15 int operator"" _foo(const wchar_t*, std::size_t) { return 9; } 16 int operator"" _foo(const char8_t*, std::size_t) { return 10; } 17 int operator"" _foo(const char16_t*, std::size_t) { return 11; } 18 int operator"" _foo(const char32_t*, std::size_t) { return 12; } 19 template<char...> int operator"" _foo2() { return 20; } 20 int operator"" _foo2(unsigned long long int) { return 21; } 21 22 int main()23main() 24 { 25 assert(123_foo == 1); 26 assert(0.123_foo == 2); 27 assert('c'_foo == 3); 28 assert(L'c'_foo == 4); 29 assert(u8'c'_foo == 5); 30 assert(u'c'_foo == 6); 31 assert(U'c'_foo == 7); 32 assert("abc"_foo == 8); 33 assert(L"abc"_foo == 9); 34 assert(u8"abc"_foo == 10); 35 assert(u"abc"_foo == 11); 36 assert(U"abc"_foo == 12); 37 assert(123_foo2 == 21); 38 } 39