1 // PERMUTE_ARGS: 2 /* 3 TEST_OUTPUT: 4 --- 5 fail_compilation/diag10768.d(36): Error: cannot implicitly override base class method diag10768.Frop.frop with diag10768.Foo.frop; add 'override' attribute 6 --- 7 */ 8 CirBuff(T)9struct CirBuff(T) 10 { 11 import std.traits: isArray; 12 CirBuff!T opAssign(R)(R) if (isArray!R) 13 {} 14 15 T[] toArray() 16 { 17 T[] ret; // = new T[this.length]; 18 return ret; 19 } 20 alias toArray this; 21 } 22 23 class Bar(T=int) 24 { 25 CirBuff!T _bar; 26 } 27 28 class Once 29 { 30 Bar!Foo _foobar; 31 } 32 33 class Foo : Frop 34 { 35 // override frop()36 public int frop() { return 1; } 37 } 38 39 class Frop 40 { frop()41 public int frop() { return 0; } 42 } 43