template error instantiating

[David Nadlinger]

On Saturday, 17 November 2012 at 18:28:10 UTC, ref2401 wrote:
> I get "template instance main.MyClass!(int) error 
> instantiating" in the following case:
>
> public class MyClass(TStuff)
> {
> 	public void foo(TStuff item)
> 	{}
>
> 	public void foo(TRange)(TRange items)
> 	if (isInputRange!TRange && is(ElementType!TRange == TStuff))
> 	{}
> }
>
> void main(string[] argv)
> {
> 	MyClass!int instance = new MyClass!int();
>
> 	return;
> }
>
> but if i rename one of the "foo" overloads then code will be 
> compiled.

Template functions are currently not overloadable with 
non-template ones. As a workaround (if foo(TStuff) doesn't need 
to be virtual), you can turn it into a template function (without 
parameters, i.e. foo()(TStuff item)) as well.

David