std.range.iota enhancement: supporting more types (AKA issue 10762)

[Francesco Cattoglio]

On Tuesday, 24 December 2013 at 10:44:54 UTC, bearophile wrote:
> Francesco Cattoglio:

> One possible disadvantage is when you want an array of various 
> iota (all of the same indexed type, like int) (currently this 
> doesn't compile), this was a potential use case for me:
>
> void main() {
>     import std.range: iota;
>     auto intervals = [iota(10), iota(2, 7), iota(2, 15, 2)];
> }
>
> Bye,
> bearophile

Nice point: the issue here is that every iota defines its own 
return type. I will see if there's some way around this on the 
library side. The "user side" workaround is simple:

void main() {
     import std.range: iota;
     auto intervals = [iota(0, 10, 1), iota(2, 7, 1), iota(2, 15, 
2)];
}