Aliasing of template results

[Denis Shelomovskij]

22.01.2012 18:51, Alex Rønne Petersen пишет:
> Hi,
>
> Someone on IRC wanted to know the element type of an array type and the
> following code was suggsted:
>
> template ElementType(T : T[])
> {
> alias T ElementType;
> }
>
> He was confused about how ElementType!(int[]) could possibly equal int,
> until we explained that the alias does, in fact, represent the 'result'
> of the template.
>
> So we started discussing whether a more intuitive syntax could be found.
> Someone suggsted:
>
> template ElementType(T : T[])
> {
> alias T template;
> }
>
> I personally believe this makes it perfectly clear that you're aliasing
> the template itself to T.
>
> Thoughts?
>

I like this `alias T template;` syntax.
`alias T ElementType;` is like writing `myFunction = value;` in function 
`myFunction` instead of `return` statement.