On Wed, 22 Apr 2015 18:32:55 +0000, Jesse Phillips wrote: > On Wednesday, 22 April 2015 at 05:31:03 UTC, ketmar wrote: >> many algorithms in std.algo doesn't copy if you'll use `(ref a)` >> labmdas. > > I understand that, but the compiler won't complain "hey that isn't valid > for all input ranges!" when it sees that someone copied front.
yes, that's why introducing new trait is better. i was trying to minify support burden with changes to `isInputRange`, yet it seems to bring more problems that it is intended to solve, and i was wrong. but i still believe that allowing "proxying algos" work on such "restriced" ranges is a viable addition. think about `Unique`, for example, as Peter noted in bugzilla.
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