At Thu, 9 Apr 2015 08:22:12 -0700 (PDT), Jerry Jackson wrote:
> The compatibility/mlist module has lots of support functions but I'd
> like to be able to apply racket functions to the lists I've
> constructed and I don't see any "mapply". I understand that the use
> of mutable cons cells is discouraged but I don't currently know of a
> better way to do lazy lists. If there is a different recommended way,
> I'd like to know about it. If not:
>
> 1) Is there an equivalent of mapply that I just haven't found or
> 2) Is there a reason it's a really bad idea or
> 3) Was it just left out because nobody so far needed it?
I think (3), but does `mlist->list` plus `apply` work for your purposes?
(define (mapply f an-mlist)
(apply f (mlist->list an-mlist)))
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