gcc/testsuite/gdc.test/fail_compilation/diag16977.d

   1 /*
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/diag16977.d(22): Error: undefined identifier `undefined`, did you mean function `undefinedId`?
   5 fail_compilation/diag16977.d(23): Error: cannot implicitly convert expression `"\x01string"` of type `string` to `int`
   6 fail_compilation/diag16977.d(24): Error: template diag16977.templ cannot deduce function from argument types !()(int), candidates are:
   7 fail_compilation/diag16977.d(17):        diag16977.templ(S)(S s) if (false)
   8 fail_compilation/diag16977.d(25): Error: cannot implicitly convert expression `5` of type `int` to `string`
   9 fail_compilation/diag16977.d(27): Error: template instance diag16977.test.funcTemplate!string error instantiating
  10 ---
  11 */
  12
  13 // when copying the expression of a default argument, location information is
  14 //   replaced by the location of the caller to improve debug information
  15 // verify error messages are displayed for the original location only
  16
  17 string templ(S)(S s) if(false) { return null; }
  18
  19 void test()
  20 {
  21     // local functions to defer evaluation into semantic3 pass
  22     void undefinedId(int x, int y = undefined) {}
  23     void badOp(int x, int y = 1 ~ "string") {}
  24     void lazyTemplate(int x, lazy int y = 4.templ) {}
  25     void funcTemplate(T)(T y = 5) {}
  26
  27     funcTemplate!string();
  28     undefinedId(1);
  29     badOp(2);
  30     lazyTemplate(3);
  31 }