Error: template cannot deduce function from argument types.

[sigod via Digitalmars-d-learn]

On Sunday, 24 August 2014 at 02:53:41 UTC, Damian Day wrote:
> isImplicitlyConvertible!(ElementType!R, T))

Try [ElementEncodingType][0].

[0]: http://dlang.org/phobos/std_range.html#ElementEncodingType