Re: [racket-users] How to check if a symbol is defined before calling it?

Glad you found something that works! For the record, being in a pkg and being an app are not mutually exclusive. DrRacket, for example, enjoys both statuses. Robby On Sun, Feb 18, 2018 at 5:41 PM Alex Harsanyi wrote: > > Hi Robby, > > On Sunday, February 18, 2018 at 10:33:09 AM UTC+8, Robby Fi

Re: [racket-users] How to check if a symbol is defined before calling it?

Hi Robby, On Sunday, February 18, 2018 at 10:33:09 AM UTC+8, Robby Findler wrote: > > FWIW, the approach that is less friendly to your clients but perhaps > easier for you (and maybe good enough for them) is to declare a > dependency on a specific version in the info.rkt file of your pkg. The

Re: [racket-users] big-bang + right click?

Cool! I was able to get it working with Lux. Thanks! On Saturday, February 17, 2018 at 9:34:19 AM UTC-8, Jay McCarthy wrote: > > FWIW Stephen, I have another package called `lux` that tries to be a > "professional" big-bang and it supports stuff like this. > > The documentation is here: http:/

[racket-users] Re: How to check if a symbol is defined before calling it?

> > The recent plot library introduces a new function, `point-pict` which is > not yet available as part of a Racket distribution, and the plot package > has to be installed separately from GitHub for this function. > > In my code I would like to be able to check if this function is available >