in src/BlocksRuntime/runtime.c [739:760]
void _Block_object_dispose(const void *object, const int flags) {
switch (os_assumes(flags & BLOCK_ALL_COPY_DISPOSE_FLAGS)) {
case BLOCK_FIELD_IS_BYREF | BLOCK_FIELD_IS_WEAK:
case BLOCK_FIELD_IS_BYREF:
// get rid of the __block data structure held in a Block
_Block_byref_release(object);
break;
case BLOCK_FIELD_IS_BLOCK:
_Block_destroy(object);
break;
case BLOCK_FIELD_IS_OBJECT:
_Block_release_object(object);
break;
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT:
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK:
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT | BLOCK_FIELD_IS_WEAK:
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK | BLOCK_FIELD_IS_WEAK:
break;
default:
break;
}
}