[swift-evolution] [Review] SE-0121: Remove `Optional` Comparison Operators

Karl razielim at gmail.com
Fri Jul 15 02:28:14 CDT 2016


+1 from me.

I recently had to fix a bug stemming from this which was easy to fix, but not easy to spot.

These operators are quite special; they are plain yes/no assertions used to filter data at a particularly broad level of abstraction. It is usually super-important that you understand exactly what they do. They can’t afford to have hidden edge-cases with potentially surprising results.

Karl


> On 12 Jul 2016, at 20:26, Chris Lattner via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Hello Swift community,
> 
> The review of "SE-0121: Remove `Optional` Comparison Operators" begins now and runs through July 19. The proposal is available here:
> 
> 	https://github.com/apple/swift-evolution/blob/master/proposals/0121-remove-optional-comparison-operators.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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