A small trouble with std.range.indexed

[bearophile]

Ali Çehreli:

> The documentation of indexed() says: "Source must be a random access 
> range. The returned range will be bidirectional or random-access if 
> Indices is bidirectional or random-access, respectively."

> Because idxSet is not RandomAccessRange, indexed() does not provide 
> opIndex() and doesn't match sort()'s requirement.

You are right, I understand, thank you.


> It's unfortunate that template the error messages cannot be more 
> helpful. :-/

In my opinion here it's also a matter of documentation about the kind of range needed for Indices.

Bye,
bearophile