File: nontype3.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (32 lines) | stat: -rw-r--r-- 644 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
// PR c++/53009
// { dg-do compile { target c++11 } }

template<typename T, T> class function_proxy;

template<typename Return, typename Obj, Return(*func)(Obj)>
struct function_proxy<Return(*)(Obj), func>
{
    static void wrapper(){ }
};

template<typename CT, CT> class member_helper;

template<typename Class, void(Class::*fun)()>
struct member_helper<void(Class::*)(), fun>
{
    static void as_free(Class& obj){ }

    static void worker(){
        (void) function_proxy<decltype(&as_free), &as_free>::wrapper;
    }
};

struct Test
{
    void test(){ }
};

int main()
{
    member_helper<decltype(&Test::test), &Test::test>::worker();
}