1 // RUN: %clang_cc1 -std=c++11 %s -verify 2 3 struct string; 4 namespace std { 5 using size_t = decltype(sizeof(int)); 6 } 7 8 void operator "" _km(long double); // ok 9 string operator "" _i18n(const char*, std::size_t); // ok 10 template<char...> int operator "" \u03C0(); // ok, UCN for lowercase pi // expected-warning {{reserved}} 11 float operator ""E(const char *); // expected-error {{invalid suffix on literal}} expected-warning {{reserved}} 12 float operator " " B(const char *); // expected-error {{must be '""'}} expected-warning {{reserved}} 13 string operator "" 5X(const char *, std::size_t); // expected-error {{expected identifier}} 14 double operator "" _miles(double); // expected-error {{parameter}} 15 template<char...> int operator "" j(const char*); // expected-error {{template}} 16 17 float operator ""_E(const char *); 18
