gcc/testsuite/gdc.test/runnable/imports/a15079.d

   1 module imports.a15079;
   2
   3 Vector!string parseAlgorithmName()
   4 {
   5     assert(0);
   6 }
   7
   8 struct Vector(ALLOC)
   9 {
  10     @disable this(this);
  11
  12     RefCounted!(Vector, ALLOC) dupr()
  13     {
  14         assert(0);
  15     }
  16 }
  17
  18 struct RefCounted(T, ALLOC)
  19 {
  20     ~this()
  21     {
  22         T* objc;
  23         .destroy(*objc);
  24     }
  25 }
  26
  27 // ----
  28
  29 void _destructRecurse(S)(ref S s)
  30     if (is(S == struct))
  31 {
  32     static if (__traits(hasMember, S, "__xdtor") &&
  33                __traits(isSame, S, __traits(parent, s.__xdtor)))
  34     {
  35         s.__xdtor();
  36     }
  37 }
  38
  39 void destroy(T)(ref T obj) if (is(T == struct))
  40 {
  41     _destructRecurse(obj);
  42     () @trusted {
  43         auto buf = (cast(ubyte*) &obj)[0 .. T.sizeof];
  44         auto init = cast(ubyte[])typeid(T).init();
  45         if (init.ptr is null) // null ptr means initialize to 0s
  46             buf[] = 0;
  47         else
  48             buf[] = init[];
  49     } ();
  50 }