Re: [racket-users] try a new macro expander

2015-06-25 Thread Alexander D. Knauth
Another weird error: #lang racket/base (require racket/stxparam (for-syntax racket/base)) (define-syntax-parameter add (make-rename-transformer #'+)) (define-syntax add1 (make-rename-transformer #'add)) add1 ;add1: identifier's binding is ambiguous ; context.: ; matching binding.: ; matching bi

RE: [racket-users] Gear VR

2015-06-25 Thread John Carmack
>An imperative API makes functional abstraction harder. What are the main >selling points for Scheme/Racket now? I am a big believer in functional programming (and static types) for large projects, but there is an undeniable bit of awkwardness compared to just imperatively poking things for sma

Re: [racket-users] drawing with canvas

2015-06-25 Thread Matthias Felleisen
1. On my Mac, I get the canvas, I see the circle, it sleeps for a second, the circle goes away --- precisely because paint-callback is called and it draws emptiness. 2. If you don't see this, I think you're encountering a bug. This behavior should be the same across platforms. Report