[racket-dev] Need a clarification on the implementation of stream-map

From: Daniel King (danking at ccs.neu.edu)
Date: Tue Jul 10 17:22:19 EDT 2012

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 <jay.mccarthy at gmail.com> wrote:
> Eli wrote racket/stream based on racket/sequence which I wrote. You'll
> have to ask him whether he added support for multiple-value sequences
> and how to get them.
> Jay
> On Tue, Jul 10, 2012 at 4:15 PM, Daniel King <danking at cern.ch> wrote:
>> On Tue, Jul 10, 2012 at 9:06 PM, Jay McCarthy <jay.mccarthy at gmail.com> wrote:
>>> Your example is one-valued stream not a three-valued stream.
>> How does one produce a stream with more than one-value?
>> I assume that if there are no multi-valued streams then there is no need for the
>> aforementioned snippet in the implementation of `stream-map'.
>> --
>> Dan King
>> Northeastern University
> --
> Jay McCarthy <jay at cs.byu.edu>
> Assistant Professor / Brigham Young University
> http://faculty.cs.byu.edu/~jay
> "The glory of God is Intelligence" - D&C 93

Dan King
College of Computer and Information Science
Northeastern University

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