Right... except that I completely misread your first example, which is
not at all the same as my example with `cons` patterns. Sorry about
that.
On Thu, Dec 31, 2020 at 2:06 PM Jon Zeppieri wrote:
>
> On Wed, Dec 30, 2020 at 2:24 PM David Storrs wrote:
> >
> > First off, is there a way to make
On Wed, Dec 30, 2020 at 2:24 PM David Storrs wrote:
>
> First off, is there a way to make ... in a pattern match non-greedily? i.e.,
> match as *few* elements as possible instead of as many?
As far as I know, no. However, if your first example is really
illustrative of what you're trying to
I meant like this:
```
#lang racket/base
(require (for-syntax racket/base
syntax/parse)
syntax/parse/define)
;; Run-time
(struct state (a b c d) #:transparent)
(define mt (state #f #f #f #f))
(define-simple-macro (set-field st:expr f:id v:expr)
(struct-copy state
I didn't see an answer to my original question, but I still want to make sure I
understood you before I rephrase. Thank you for the insights!
By your three step suggestion, is something like this what you meant? I'm not
sure I understood Step 3. It seems like I still have to add new structure
Are you trying to take a macro argument and ensure that it is an
expression? If so, then you can expand into `#%expression`
https://docs.racket-lang.org/reference/__expression.html
On the other hand, if you are trying to take a macro argument and ensure
that it is NOT an expression... then that
I've been toying with sound synthesis (and especially additive) within
racket for years, but I mostly do it offline (the aiff/aiffc format is
pretty straightforward to understand even for a programming illiterate like
me). For pseudo real-time you may consider using the command line utility
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