Passing ranges around

[Mike Parker via Digitalmars-d-learn]

On Tuesday, 12 July 2016 at 07:50:34 UTC, Bahman Movaqar wrote:
> On 07/12/2016 11:07 AM, Mike Parker wrote:
>> auto foo(R)(R r) { ... }
>
> That did it.  Thanks.
> Out of curiosity, does the same pattern apply to functions 
> which take
> `tuple`s as input arguments?

It's just a function template. It's what you use whenever you 
need to deal with generic types.

https://dlang.org/spec/template.html