[Issue 8155] Deprecate std.range.lockstep

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=8155



--- Comment #10 from Joseph Rushton Wakeling <joseph.wakel...@webdrake.net> 
2013-06-28 13:21:31 PDT ---
(In reply to comment #9)
> Let me add a note. For your specific use case it's better to use enumerate(),
> from Issue 5550 :
> 
>     auto arr1 = new double[10];
>     foreach (i, ref x; arr1.enumerate)
>         x = i;
>     arr1.writeln;

Thanks for the useful hint :-)  In fact in the general case where I discovered
this issue, the use case was more,

    foreach(i, ref x; lockstep(arrIndex, arr1))
        x = i;

... where arrIndex does not _necessarily_ contain the sequence 0, 1, 2, 3, 4,
...

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