On Fri, Oct 13, 2017 at 2:59 PM, Robby Findler <ro...@eecs.northwestern.edu> wrote: > Also: if you just don't `provide` a function from a module, then it > cannot be used outside. No naming conventions necessary. >
Sure, but the underscore helps me know at a glance what I'm looking at, whether it's safe to make a breaking change to a function, etc. > Robby > > On Fri, Oct 13, 2017 at 1:57 PM, Matthias Felleisen > <matth...@ccs.neu.edu> wrote: >> >>> On Oct 13, 2017, at 2:55 PM, David Storrs <david.sto...@gmail.com> wrote: >>> >>> On Fri, Oct 13, 2017 at 2:50 PM, David Storrs <david.sto...@gmail.com> >>> wrote: >>>> Coming from a Perl background, I've long had a convention of naming >>>> private functions with a leading underscore, e.g. _do-the-thing. Is >>>> there a standard Racket convention for this and, if so, what is it? >>> >>> Addendum: I know that I can define functions inside the function for >>> which they are the helper, but my understanding is that if I do that >>> then the helper function is recompiled every time the parent function >>> is executed. >>> >>> (define (flurble args) >>> (define (helper-func) ...do stuff...) >>> (helper-func ...)) >>> >>> (for ((i 10000)) >>> (flurble i)) ; helper-func will be built 10,000 times, right? >> >> >> No it isn’t recompiled. But the run-time may allocate a closure a second >> time. >> Lambda lifting and similar techniques should avoid this but not necessarily >> in >> the current compiler. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Racket Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to racket-users+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
