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// { dg-options "-std=c++17 -fchar8_t" }
#include <cstdint>
#include <cassert>
int operator"" _foo(const char*) { return 0; }
int operator"" _foo(unsigned long long int) { return 1; }
int operator"" _foo(long double) { return 2; }
int operator"" _foo(char) { return 3; }
int operator"" _foo(wchar_t) { return 4; }
int operator"" _foo(char8_t) { return 5; }
int operator"" _foo(char16_t) { return 6; }
int operator"" _foo(char32_t) { return 7; }
int operator"" _foo(const char*, std::size_t) { return 8; }
int operator"" _foo(const wchar_t*, std::size_t) { return 9; }
int operator"" _foo(const char8_t*, std::size_t) { return 10; }
int operator"" _foo(const char16_t*, std::size_t) { return 11; }
int operator"" _foo(const char32_t*, std::size_t) { return 12; }
template<char...> int operator"" _foo2() { return 20; }
int operator"" _foo2(unsigned long long int) { return 21; }
int
main()
{
assert(123_foo == 1);
assert(0.123_foo == 2);
assert('c'_foo == 3);
assert(L'c'_foo == 4);
assert(u8'c'_foo == 5);
assert(u'c'_foo == 6);
assert(U'c'_foo == 7);
assert("abc"_foo == 8);
assert(L"abc"_foo == 9);
assert(u8"abc"_foo == 10);
assert(u"abc"_foo == 11);
assert(U"abc"_foo == 12);
assert(123_foo2 == 21);
}
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