[swift-evolution] [Review] SE-0055 Make unsafe pointer nullability explicit using Optional

Matthew Johnson matthew at anandabits.com
Thu Mar 24 20:32:07 CDT 2016

> 	* What is your evaluation of the proposal?

+1.  This is a very nice improvement for code that needs to work directly with pointers.

> 	* 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?

Very much so.

> 	* If you have you used other languages or libraries with a similar feature, how do you feel that this proposal compares to those?

It aligns well with languages that improve safety by explicitly modeling null. 

> 	* How much effort did you put into your review? A glance, a quick reading, or an in-depth study?

Followed the discussion and read the proposal.  I was very pleased to see Jordan propose this.

> 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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