Template Mixin issue
Christopher Wright
dhasenan at gmail.com
Fri Jan 30 04:27:52 PST 2009
Mike L. wrote:
> If the compiler can tell that B!(int) is a type, why can't it tell that it is a child class of A!(int) ?
This is a bug. In template specializations, : means equality. In static
if, : means convertibility.
So, you can use:
template ADefaults(Type, AType)
{
static assert (is (AType : A!(Type)));
Type blah()
{ return Type.init; }
}
http://d.puremagic.com/issues/show_bug.cgi?id=1715 if you want to vote.
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