> Hello Swift community,
>
> The review of "A New Model for Collections and Indices" begins now and runs
> through April 18th. The proposal is available here:
>
> https://github.com/apple/swift-evolution/blob/master/proposals/0065-collections-move-indices.md<https://github.com/apple/swift-evolution/blob/master/proposals/0055-optional-unsafe-pointers.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<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<https://github.com/apple/swift-evolution/blob/master/process.md>
>
> Thank you,
>
> -Chris Lattner
> Review Manager
>
>
>
>
>
So, just confirming that the following is going to change:
—————
var string = "test"
let origLen = 4
let indexOne = string.startIndex
string.appendContentsOf("ANOTHERTEST")
let indexTwo = indexOne.advancedBy(origLen, limit: string.endIndex)
assert(indexTwo<string.endIndex)
indexTwo.successor() //<--- fatal error: cannot
increment endIndex
—————
Is this a consequence of the index needing to know its originating string for
successor() purposes?
Once this is implemented, will String.Index be portable across string instances
(presuming you bounds-check them, as I did above)?
Thanks
Karl
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