1 // { dg-do compile { target c++11 } }
2 
3 #include <string>
4 
5 std::string operator"" _www(const char*, size_t);
6 
7 std::string concat01 = "Hello, " "World!"_www;
8 
9 std::string concat10 = "Hello, "_www "World!";
10 
11 std::string concat11 = "Hello, "_www "World!"_www;
12 
13 
14 class Tachyon { };
15 
16 Tachyon operator"" _fast(const char*, size_t);
17 
18 int operator"" _fast(const char32_t*, size_t);
19 
20 int speedy01 = "Hello, " U"World!"_fast;
21 
22 int speedy10 = "Hello, "_fast U"World!";
23 
24 int speedy11 = "Hello, "_fast U"World!"_fast;
25