[swift-evolution] [Review] SE-0006 Apply API Guidelines to the Standard Library
james at supmenow.com
Tue Feb 9 01:23:52 CST 2016
I feel keepingCapacity should be a question, shouldKeepCapacity or whilstKeepingCapacity.
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On Tue, Feb 2, 2016 at 10:16 AM -0800, "Janosch Hildebrand via swift-evolution" <swift-evolution at swift.org> wrote:
On 02 Feb 2016, at 02:41, Dave Abrahams via swift-evolution <swift-evolution at swift.org> wrote:
on Mon Feb 01 2016, Janosch Hildebrand <swift-evolution at swift.org> wrote:
I'm generally in favor of the proposed changes. I'll just note some
minor points and disagreements:
* Like I mentioned in my SE-0023 review, I would be OK with keeping
the "Type" suffix for protocols but have no strong preference.
* I'm in favor of keeping `precondition()`. `require()` might be
easier to grasp at first but personally I really came to like
It fells both precise and I prefer the passive `precondition()` to the
active `require()` for this case. To me it fits the primary meaning
better; stating an API contract. The fact that the condition is
actively checked is secondary to that.
* I also agree with Radosław in that I prefer `removeAll(keepCapacity:
Bool)` to `removeAll(keepingCapacity: Bool)`.
I had a hard time justifying "keeping" to myself for a while, but
eventually I realized that this pattern is less ambiguous, at least in
general, since many verbs are also nouns. Okay, "keeps" haven't been
considered high-tech construction elements since the middle ages, but
it's easy to understand how you'd be interested in the capacity of a
:-)You are right, it's definitely less ambiguous in general. I'm just not surehow often that ambiguity actually arises in practice and if it's often enough tojustify always using the clearer but less beautiful style, even if it often actuallymight not be necessary...At least in these cases here i find the imperative to be perfectly clear, especiallygiven the surrounding context but you might have a better idea what the averagecase might look like...
Also there is of course something to be said for consistency and I'm probablygoing to get used to this with time; I'm just not quite there yet ;-)
It's also a bit more sentence-like: * "remove all; how?, ... by keeping capacity)"vs* "remove all! keep (the) capacity!"but then again the new guidelines and ongoing discussion on SE-0005generally move away from that anyway so that doesn't seem to be a big factor.
Speaking of this change, shouldn't `split(_, maxSplits:, omitEmptySubsequences:)`become `split(_, maxSplits:, omittingEmptySubsequences:)` as well or am Imissing something?
* What is the rationale for moving `unsafeUnwrap` into Optional but
not `unsafeAddressOf` into AnyObject?
Language limitation: AnyObject can't be modified or extended.
Thanks! (To Brent as well). That makes sense of course.
Still not sure how I feel about making these functions so accessiblebut I guess that issue should be solved differently if at all.
I can certainly see the safety argument against moving it but I don't
see how that would apply to `unsafeAddressOf` but not `unsafeUnwrap`?
* `EnumeratedSequence` and `Repeated` feel weird to me. They make
sense given the API guidelines and the previous `EnumerateSequence`
and `Repeat` were a bit clunky as well but these somehow feel a bit
worse... That might be wholly subjective though and I don't really
have a good suggestion. The only thing that came to mind was
`EnumerationSequence` and `Repetition` but I'm not overly fond of
those either especially not to the point of deviating from the norm...
Yes, they're a little clunky. No, I don't have any better ideas either
Well, at least I'm not alone then :D
* This is not a disagreement but I'd be interested in hearing the
reasons for replacing Generator(Type) with Iterator(Protocol) if
someone finds the time. I can speculate of course but it's probably
easier for someone to give me a short summary :-)
I think these messages give all the details:
Sorry, maybe I'm missing something or my question was unclear, butisn't that more the rationale for dropping the "Type" suffix?
I'm asking more about the switch from `Generator` to `Iterator` andby that argument wouldn't `GeneratorProtocol` work just as well?
My assumption was that the switch was probably motivated bya) Iterator is the more well known conceptb) Generator is more of a term of art and IIUC Swift's Generators aren't Generators in the strictest sense
but I could be wrong in a lot of ways, hence why I'm asking :-)
+ public func take() -> Memory // Should be Pointee
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