gcc/testsuite/gdc.test/fail_compilation/fail20073.d

   1 // https://issues.dlang.org/show_bug.cgi?id=20073
   2 /*
   3 TEST_OUTPUT:
   4 ---
   5 fail_compilation/fail20073.d(20): Error: cannot implicitly convert expression `s` of type `S` to `string`
   6 fail_compilation/fail20073.d(21): Error: cannot implicitly convert expression `s` of type `S` to `string`
   7 ---
   8 */
   9
  10 struct S
  11 {
  12     char[10] x;
  13     auto slice() inout { return x[0 .. 10]; }
  14     alias slice this;
  15 }
  16
  17
  18 string test() {
  19     S s;
  20     string str = s; // cannot implicitly convert expression `s` of type `S` to `string`
  21     return s;       // and suddenly we can!
  22 }