gcc/testsuite/gdc.test/fail_compilation/fail9891.d

   1 /*
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/fail9891.d(13): Error: expression `i` of type `immutable(int)` is not implicitly convertible to type `ref int` of parameter `n`
   5 fail_compilation/fail9891.d(18): Error: expression `i` of type `immutable(int)` is not implicitly convertible to type `out int` of parameter `n`
   6 fail_compilation/fail9891.d(23): Error: `prop()` is not an lvalue and cannot be modified
   7 ---
   8 */
   9
  10 immutable int i;
  11 int prop() { return 0; }
  12
  13 void f1(ref int n = i)
  14 {
  15     ++n;
  16 }
  17
  18 void f2(out int n = i)
  19 {
  20     ++n;
  21 }
  22
  23 void f3(ref int n = prop)
  24 {
  25     ++n;
  26 }