[swift-evolution] [Review] SE-0052: Change IteratorType post-nil guarantee

[Max Moiseev]

Hi all,

We discussed the proposal with the members of the standard library team and we tend to +1 it (or +3 if you like).

It does not introduce any new costs to the implementations currently available in the standard library, and even in the case of `TakeWhileIterator` the extra branches are likely to be eliminated by the optimizer.
We also believe that moving the burden of adhering to the API contract from the user of the API to its developer is a valuable change.

max



> On Apr 28, 2016, at 11:12 AM, Chris Lattner via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Hello Swift community,
> 
> The review of "SE-0052: Change IteratorType post-nil guarantee" begins now and runs through May 3. The proposal is available here:
> 
> 	https://github.com/apple/swift-evolution/blob/master/proposals/0052-iterator-post-nil-guarantee.md
> 
> Reviews are an important part of the Swift evolution process. All reviews should be sent to the swift-evolution mailing list at
> 
> 	https://lists.swift.org/mailman/listinfo/swift-evolution
> 
> or, if you would like to keep your feedback private, directly to the review manager.
> 
> What goes into a review?
> 
> The goal of the review process is to improve the proposal under review through constructive criticism and, eventually, determine the direction of Swift. When writing your review, here are some questions you might want to answer in your review:
> 
> 	* What is your evaluation of the proposal?
> 	* Is the problem being addressed significant enough to warrant a change to Swift?
> 	* Does this proposal fit well with the feel and direction of Swift?
> 	* If you have you used other languages or libraries with a similar feature, how do you feel that this proposal compares to those?
> 	* How much effort did you put into your review? A glance, a quick reading, or an in-depth study?
> 
> More information about the Swift evolution process is available at
> 
> 	https://github.com/apple/swift-evolution/blob/master/process.md
> 
> Thank you,
> 
> -Chris Lattner
> Review Manager
> 
> 
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