Re: [racket-users] Wishlist for regexen: x mode, named captures, embeddable regexn

On February 12, 2019 6:48:49 PM GMT+01:00, David Storrs wrote: >Actually, that raises a question: Does Racket use the pcre library or >does it reinvent the wheel? If it uses pcre then why not make all the >features available? My goodness. Perl isn't the One True Way of regular expressions,

Re: [racket-users] Python's append vs Racket's append and helping novices understand the implications

On February 2, 2019 7:28:12 AM GMT+01:00, Alex Harsanyi wrote: >Someone asked recently for help on Reddit[1] with a Racket performance >issue. >The problem was they they were constructing a large list by appending >many >short lists repeatedly; their code was calling `(set! result (append

Re: [racket-users] Collections and data structures wishlist?

On January 25, 2019 8:33:09 PM GMT+01:00, Jack Firth wrote: > >Due to the kind of data that would go in tuples - namely, a fixed-sized >heterogeneous collection of values - a function probably *shouldn't* >use >map and filter to process tuples. A program that calls filter on an >x-y-z

Re: [racket-users] hackernews

On December 27, 2018 10:47:24 PM GMT+01:00, Stephen De Gabrielle wrote: >I always wanted to ask if the prototype object model is a good idea or >bad idea? The most fun I ever had making GUIs was in Garnet, a library for CMU CL which combined prototype objects and a system where slots we're

Re: [racket-users] What's the next book, after HtDP SICP and EoPL?

It sounds like you're drawn in the direction of type theory. Lucky for you, there's a new "Little" book out that sounds perfect for you, "The Little Typer" by Friedman and Christiansen. It won't help with the jargon at all, but it covers the subject really well, and after reading it you should