1 // { dg-do run }
2 // { dg-options "-std=c++0x" }
3 
4 #include <cstdint>
5 #include <cassert>
6 
7 int operator"" _foo(const char*)                  { return 0; }
8 int operator"" _foo(unsigned long long int)       { return 1; }
9 int operator"" _foo(long double)                  { return 2; }
10 int operator"" _foo(char)                         { return 3; }
11 int operator"" _foo(wchar_t)                      { return 4; }
12 int operator"" _foo(char16_t)                     { return 5; }
13 int operator"" _foo(char32_t)                     { return 6; }
14 int operator"" _foo(const char*, std::size_t)     { return 7; }
15 int operator"" _foo(const wchar_t*, std::size_t)  { return 8; }
16 int operator"" _foo(const char16_t*, std::size_t) { return 9; }
17 int operator"" _foo(const char32_t*, std::size_t) { return 10; }
18 template<char...> int operator"" _foo2()          { return 20; }
19 int operator"" _foo2(unsigned long long int)      { return 21; }
20 
21 namespace bar {
22 int operator"" _foo(unsigned long long int)       { return 101; }
23 }
24 using namespace bar;
25 
26 int
main()27 main()
28 {
29   assert(123_foo == 101);
30   assert(0.123_foo == 2);
31   assert('c'_foo == 3);
32   assert(L'c'_foo == 4);
33   assert(u'c'_foo == 5);
34   assert(U'c'_foo == 6);
35   assert("abc"_foo == 7);
36   assert(L"abc"_foo == 8);
37   assert(u"abc"_foo == 9);
38   assert(U"abc"_foo == 10);
39   assert(123_foo2 == 21);
40 }
41