File: constexpr-fwctor1.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 (19 lines) | stat: -rw-r--r-- 413 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
// PR c++/66450
// { dg-do compile { target c++11 } }

struct foo {
  constexpr foo(int a);
  constexpr foo(int a, int b, int c): a{a}, b{b}, c{c} {}

  int a, b, c;
};

constexpr foo make_foo(int a) { return foo{a, a+1, a+2}; }
constexpr foo::foo(int a): foo{make_foo(a)} {}

int main() {
  constexpr const foo f{3};
  static_assert(f.a == 3, "");
  static_assert(f.b == 4, "");
  static_assert(f.c == 5, "");
}