htdp
htdp copied to clipboard
racket
Hi, I am a student taking BSL language at school and I would like to report a problem using stepper on a template. It seems like ... in the template...
The teaching languages stepper produces an error when the next step would be to expand a big-bang form. ## To Reproduce Use the HtDP BSL language, and have a file...
Racket 8.4 Language -> Choose Language -> Show Details -> [X] Enable tracing Would it be possible for `big-bang` to generate a warning if run when the "Enable tracing" option...
I was looking for `image=?` in `2htdp/image` but couldn't find it until Alex Knauth mentioned its in BSL but not exposed, is there a reason why its not exposed to...
This also manifests itself (I think) as `when`s not printing anything. Example: ``` > (void) > (when false (void)) > (when true (void)) > (define x 0) > (when true...
The value of calling `set!` appears to be (some form of) void: ``` > (define x 1) > (set! x 2) (void) ``` but doesn't behave as `void` or `(void)`:...
``` (require 2htdp/image) (flip-horizontal (text "🦈" 100 "red")) ; ERROR: flip: cannot flip shapes that contain text ``` is it possible to make flip-horizontal and flip-vertical work with text images...
To reproduce: 1) Set language level to Beginner 2) put this program in defns window: (check-expect (f (list 4)) (list 4 13)) (check-expect (f (list 4)) (list 7 13)) Click...
In the #lang-based teaching languages, test results don't appear in a box; instead, they get sent to stdout. This is pretty terrible, but it's not a regression; it was present...
When two files are running at the same time, their test results are mixed together. Here is an example. In DrRacket, when I start `A.rkt` first and then run `B.rkt`...
