So ... no objections to this?
Yesterday, Eli Barzilay wrote: > While trying to finally get `take-while' etc, I realized that the > problem with the `take' (and `drop' and related) argument order is > even more thorny. The existing problem is that `take' in lazy takes > the number first and then the list -- not a big problem by itself, > but: > > * Contradicts Haskell's argument order > > * Contradicts Clojure's argument order > > * *And* contradicts srfi-1's argument order for `take-while', which > takes the predicate first > > So how about making it take its inputs in any order? (Possibly > deprecating the number-last in the docs and eventually removing it.) > > No need to start a flamewar -- I know why it would be bad. But the > above mess and potential confusion seems big enough to outweigh it. > Specifically, it seems to me very odd now to go with the srfi-1 > ordering for `take-while' and friends. (I'm also fine with swapping > the arguments completely, but it seems that the breakage makes it a > bad change.) > > To make things balanced -- > > * I see two arguments for keeping the order as it is now: (a) it makes > it more like `list-ref' etc, where the number comes last (potential > solution if the above is acceptable: make it do the same too, or > just admit that indexing is different from these things); and > (b) it accomodates better a potential future (list-slice l from too) > which would look odd with the from-too arguments before the list. > > * OTOH, the advantages of the number-first order are being compatible > with the rest of the world, and an order that is uniformly used in > `take-while' etc. > > Opinions? -- ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay: http://barzilay.org/ Maze is Life! _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev