[HN Gopher] SRFI 226: Control Features
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SRFI 226: Control Features
Author : bshanks
Score : 19 points
Date : 2022-12-09 02:03 UTC (2 days ago)
(HTM) web link (srfi.schemers.org)
(TXT) w3m dump (srfi.schemers.org)
| LanternLight83 wrote:
| I read this after perusing the linked resources last time it
| surfaced, and although I'm no expert, I really like this
| solution. I'd love to hear from the Scheme implimentors and
| macro-writers who have actually used call/cc. The control offered
| over the scope of a continuation, reminding me (model-wise) of a
| patchset cherry-picked off the head of a git branch, appesrs to
| soundly address preformance concerns, while the ability to return
| a value to the continuation's call-site looks like a huge
| advantage.
| tmtvl wrote:
| _Finally, promises as defined in this specification can deliver
| multiple values when forced, an extension too natural to ignore_
|
| Oh yes, excellent, looking forward to playing around with
| multiple-value lazy streams (srfi-41).
| newaccount2021 wrote:
| convolvatron wrote:
| "Finally, a primitive (call-in-continuation) is provided that
| allows calling a procedure in a given continuation instead of
| just delivering values to it."
|
| can anyone add some language about what this is? I read this and
| the section on it, and remain deeply confused
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(page generated 2022-12-11 23:01 UTC)