[swift-evolution] Proposal: Add scan, takeWhile, dropWhile, and iterate to the stdlib

[Jacob Bandes-Storch]

On Mon, Jan 11, 2016 at 5:18 PM, Matthew Johnson via swift-evolution <
swift-evolution at swift.org> wrote:

>
> > On Jan 11, 2016, at 7:11 PM, Chris Lattner via swift-evolution <
> swift-evolution at swift.org> wrote:
> >
> >
> >> On Jan 10, 2016, at 10:20 PM, Kevin Ballard via swift-evolution <
> swift-evolution at swift.org> wrote:
> >>
> >> When the proposal is "we have a bunch of functions that match functions
> used in other languages, lets add a few more from the same category of
> functions that we missed", does there really need to be much explanation
> beyond "they're useful in the other languages that have them, they'd be
> useful for the same reasons in Swift”?
> >
> > I agree with what you’re saying, but the flip-side is: how do we scope
> what we accept into the standard library?  Just existing in some other
> language doesn’t mean that we should (automatically) accept new standard
> library functionality.
> >
> > I’m not arguing for or against your proposal, just trying to say that
> this rationale isn’t enough to justify adding things to the Swift standard
> library.
>
> I agree.
>
> Something I would like to see in the longer term is a set of libraries
> outside the standard library, but still going through a community review
> process for their evolution.  They would be given an “official” stamp of
> approval and would be hosted in community repos, but accessed via SPM
> rather than part of the core install.  This would allow us to keep the core
> library lean, but still offer a “batteries included” approach.
>

This might be a good place for things like Either, Deque, etc.


>
> Matthew
>
> >
> > -Chris
> >
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