clang/test/CXX/over/over.oper/over.literal/p2.cpp

   1 // RUN: %clang_cc1 -std=c++11 %s -verify
   2
   3 void operator ""_a(const char *);
   4
   5 namespace N {
   6   using ::operator ""_a;
   7
   8   void operator ""_b(const char *);
   9 }
  10
  11 using N::operator ""_b;
  12
  13 class C {
  14   void operator ""_c(const char *); // expected-error {{must be in a namespace or global scope}}
  15
  16   static void operator ""_c(unsigned long long); // expected-error {{must be in a namespace or global scope}}
  17
  18   friend void operator ""_d(const char *);
  19 };
  20
  21 int operator ""_e; // expected-error {{cannot be the name of a variable}}
  22
  23 void f() {
  24   int operator ""_f; // expected-error {{cannot be the name of a variable}}
  25 }
  26
  27 extern "C++" {
  28   void operator ""_g(const char *);
  29 }
  30
  31 template<char...> void operator ""_h() {}
  32
  33 template<> void operator ""_h<'a', 'b', 'c'>() {}
  34
  35 template void operator ""_h<'a', 'b', 'c', 'd'>();
  36
  37 namespace rdar13605348 {
  38
  39 class C {
  40   double operator""_x(long double value) { return double(value); } // expected-error{{literal operator 'operator""_x' must be in a namespace or global scope}}
  41   double value() { return 3.2_x; } // expected-error{{no matching literal operator for call to}}
  42 };
  43
  44 }