[Issue 4597] std.algorithm.filter fails with a const range

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=4597



--- Comment #6 from Peter Alexander <peter.alexander.au at gmail.com> 2014-01-26 12:14:00 PST ---
(In reply to comment #5)
> (In reply to comment #4)
> > This works now that head-const is removed for arrays.
> 
> Could you please point to the related language change? Thanks!

I've determined that it was fixed in 2.050 and there's this on the change log:

http://dlang.org/changelog.html#new2_050

"std.traits: Most higher-order ranges now work with const/immutable arrays and
other ranges with a natural tail const, and ranges w/ const/immutable
elements."

Unfortunately this was before we used git, so I can't find any pull requests.

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