[Issue 10009] foreach_reverse and AA.byKey/byValue

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=10009



--- Comment #3 from bearophile_hugs at eml.cc 2013-04-29 15:59:48 PDT ---
(In reply to comment #2)

> I have hundreds of usages of foreach_reverse in my D2 codebase. You aren't
> going to deprecate it. retro() is not nearly as efficient for arrays.

Sorry, my brain was switched off. And the usages are probably under one
hundred.

-----------------

(In reply to comment #1)
> I think foreach_reverse was only ever meant to be used with arrays (and is
> scheduled for deprecations), for ranges you can use retro() from std.algorithm.

Maybe the compiler can rewrite this:

foreach_reverse(x; someRange)

as:

foreach(x; someRange.retro)

But I don't know what problems this causes.

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