gcc/testsuite/gdc.test/fail_compilation/fail124.d

   1 /*
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/fail124.d(17): Error: class `fail124.CC` inherits from duplicate interface `C`
   5 fail_compilation/fail124.d(31): Error: class `fail124.D` inherits from duplicate interface `T`
   6 fail_compilation/fail124.d(31): Error: class `fail124.D` inherits from duplicate interface `T`
   7 ---
   8 */
   9
  10 //import std.stdio;
  11
  12 interface C
  13 {
  14     void f();
  15 }
  16
  17 class CC : C, C
  18 {
  19     void f() { /*writefln("hello");*/ }
  20 }
  21
  22 void main()
  23 {
  24     CC cc = new CC();
  25     cc.f();
  26 }
  27
  28 // https://issues.dlang.org/show_bug.cgi?id=20830
  29 interface T { }
  30
  31 class D : T, T, T { }