[swift-evolution] [Review] SE-0122: Use colons for subscript declarations

Vladimir.S svabox at gmail.com
Wed Jul 20 09:51:31 CDT 2016

+1 to clean up the syntax of subscripts. They acts as properties, not 
methods, so it is natural to express them with `:` and not with `->`.

Actually, I'd prefer additional change to use [] instead of () in 
declaration like:

subscript[externalName internalName: ParamType] : ElementType {
     get { … }
     set { … }

especially if thinking about "Future directions" and confusion with 
parameterised accessor syntax(both declared with `()` but first used with 
`[]` and second with `()`).

On 20.07.2016 8:50, Chris Lattner via swift-evolution wrote:
> Hello Swift community,
> The review of "SE-0122: Use colons for subscript declarations " begins now and runs through July 24. The proposal is available here:
> 	https://github.com/apple/swift-evolution/blob/master/proposals/0122-use-colons-for-subscript-type-declarations.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 contribute to 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 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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