Sorry for spreading the rumour :)
On Tue, Jul 10, 2012 at 10:55 PM, Eli Barzilay wrote:
> No, I didn't write `racket/stream' -- Matthew did it based on the
> stream srfi. This came up not too long ago, and I sent a question
> about it here:
> http://lists.racket-lang.org/dev/archive/2012-June/00
No, I didn't write `racket/stream' -- Matthew did it based on the
stream srfi. This came up not too long ago, and I sent a question
about it here:
http://lists.racket-lang.org/dev/archive/2012-June/009612.html
Since there were no replies, I meant to remove it but didn't get to
it. I'll push it o
Sorry, I accidentally sent this off the mailing list and accidentally
switched emails.
Eli, I don't see any trace of multiple valued `stream's in
racket/stream. Can you confirm or deny their existence?
On Tue, Jul 10, 2012 at 11:13 PM, Jay McCarthy wrote:
> Eli wrote racket/stream based on racke
And thus, the type of stream-map is NOT
stream-map : (a -> b) (stream a) -> (stream b)
but
stream-map : (a b c ... -> d e f ...) (stream a b c ...) -> (stream d e f ...)
Jay
On Sun, Jul 8, 2012 at 8:00 AM, Robby Findler
wrote:
> I'm not sure about the rationale behind the design of stream-ma
On Jul 8, 2012, at 7:25 AM, Daniel King wrote:
> (define (stream-map f s)
>(unless (procedure? f) (raise-argument-error 'stream-map "procedure?" f))
>(unless (stream? s) (raise-argument-error 'stream-map "stream?" s))
On a related note, the above kind of checks should really become re
I'm not sure about the rationale behind the design of stream-map, but
"any" as a result contract for a function indicates it may return
multiple values (in the range of a function "any" is a special
keyword). "any/c" is a contract for a single value.
Robby
On Sun, Jul 8, 2012 at 6:25 AM, Daniel K
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