[Issue 4492] Version of take() which takes from the back of a range

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4492


Steven Schveighoffer <schveiguy at yahoo.com> changed:

           What    |Removed                     |Added
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                 CC|                            |schveiguy at yahoo.com


--- Comment #5 from Steven Schveighoffer <schveiguy at yahoo.com> 2010-07-22 07:50:51 PDT ---
(In reply to comment #2)
> You get the elements in the wrong order. Now, you could do
> 
> retro(take(retro(myRange), someNumber))

That won't work, retro needs a bidirectional range, and take is not a
bidirectional range.

Like David said, your takeBack will only work on random access ranges, an O(n)
cost for constructing a range is unacceptable.

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