File: sfinae-nullptr1.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (18 lines) | stat: -rw-r--r-- 342 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
// DR 1423, PR c++/52174
// { dg-do compile { target c++11 } }

template<class T>
T&& make();

template<class T>
void sink(T);

template<class T1, class T2,
  class = decltype(sink<T2>(make<T1>()))
>
auto f(int) -> char(&)[1];

template<class, class>
auto f(...) -> char(&)[2];

static_assert(sizeof(f<decltype(nullptr), bool>(0)) != 1, "");