"cannot deduce function from argument types" issue.

[ted via Digitalmars-d-learn]

Ali Çehreli wrote:

> On 02/10/2015 12:31 AM, ted wrote:
> 
>  > ElementType!R testFunc(R)( R range, ElementType!R foo)	// 
compiles
>  > with double foo
> 
> If think it is a little too much to ask from the template system of D. A
> proper way of doing the same thing is to use a template constraint:
> 
> ElementType!R testFunc(R, E)( R range, E foo)
>      if (is (E : ElementType!R))
> 
> Ali

....thanks !