implicit constructors

[Trass3r]

> Wasn't there some discussion quite some time ago about introducing an  
> implicit/@implicit tag similar to C++'s explicit, just the other way  
> around?
>
> I know there's alias this, but what if you don't store the value  
> directly?
> struct A
> {
> 	int store;
>
> 	this(int a)
> 	{
> 		store = a << 16;
> 		...
> 	}
> }
>
> A a = 5;

http://d.puremagic.com/issues/show_bug.cgi?id=7019