enumerated iteration to struct

[Fra Mecca]

On Wednesday, 7 February 2018 at 01:10:34 UTC, Fra Mecca wrote:
> I don't know if this post belongs to the learn section, but 
> I'll try anyway.
>
> I am using the std.path.pathSplitter function that returns a 
> PathSplitter function exposing ranges primitive.
>
> I have some question that could be generalized to other structs 
> that expose range primitives.
>
> 1. Why can't I write foreach(i, el; 
> pathSplitter("foor/bar").enumerate)  ?
> 2. Supposing I want to fix this problem, what do I add to the 
> struct? opApply?

There was a stupid stupid error on my part because I wasn't 
import the range module.

> 3. Why doesn't ranges infer the iteration method at compile 
> time so that I don't need to write enumerate?

This question is still valid.
I think it would be saner to write
foreach(idx, el; paths)
instead of
foreach(idx, el; paths.enumerate)