I think that people coming from python will expect that `in-range`s name is `range`. So why not meet their expectations?
Robby On Tue, Jan 3, 2017 at 7:51 PM, Andrew Kent <[email protected]> wrote: > Is the beginner confusion then simply going to shift to "why is 'for' w/ > 'range' fast but 'for' w/ 'other-list-function' is not?" > > (Not trying to be negative -- I just wonder if it might just further delay > people's realizing there are both functions and special syntactic forms for > things like 'for', 'match', etc) > > On Tuesday, January 3, 2017 at 1:44:58 PM UTC-5, Alexis King wrote: >> >> A question[1] was asked on Stack Overflow today that used `range` from >> racket/list in a for loop, then was baffled as to why it was so slow >> compared to a manually written loop using named let. To some extent, >> confusion of this sort is unavoidable, since it stems from a confusion about >> the difference between lists and sequences, but this seems like a reasonably >> common mistake to make. Is there any reason `range` cannot be adjusted to >> cooperate with for loops so that it gets compiled like `in-range`? >> >> It seems like there would be two ways to do this: either make for loops >> recognize `range` like `in-range`, or make `range` a macro using >> define-sequence-syntax that just expands to the existing `range` procedure >> when used in an expression context. Both of these could easily be made >> backwards compatible, and it could only make things faster. Is there any >> technical or philosophical reason to not do that before I attempt it? >> >> [1]: http://stackoverflow.com/q/41444129/465378 > > -- > You received this message because you are subscribed to the Google Groups > "Racket Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-dev/76981dbd-f8a2-4a1b-9e9c-ba9ee4867662%40googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Racket Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-dev/CAL3TdOOQE%3DnrFd%3DYF8i00_HQB3%2BeWucEig0CFX_SUwB%2BuR58Sg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
