[swift-evolution] [Discussion] Simplifying case syntax

[Erica Sadun]

Please respond to that email thread rather than this one. Thank you.

-- E

> On Mar 7, 2017, at 7:25 PM, David Waite <david at alkaline-solutions.com> wrote:
> 
> I don’t fully understand - are you saying to comment on the gist as if it were a discussion forum?
> 
> -DW
> 
>> On Mar 7, 2017, at 1:25 PM, Erica Sadun via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>> 
>> I've put together everything I have about cases and unwrapping here:
>> 
>> https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20170306/033588.html <https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20170306/033588.html>
>> 
>> So please move the discussion there. Thanks! -- E
>> 
>> 
>>> On Mar 6, 2017, at 8:47 PM, T.J. Usiyan <griotspeak at gmail.com <mailto:griotspeak at gmail.com>> wrote:
>>> 
>>> I support the first part, removing `case let` in a switch. I actually prefer one let out front in many ways but I have a much stronger preference for eliminating a 'style' choice that dramatically impacts the interpretation of the code. Binding each value is more explicit, so I am fine with it winning.
>> 
>> I've broken it down to its own problem/solution
>> 
>>> 
>>> The `if case` stuff… I don't really agree with as much. 
>> 
>> I grant it's one of the things that would have gone down much better way earlier in Swift's development timeline, but that kept getting pushed forward again and again.
>> 
>>> 
>>> TJ
>>> 
>>> On Mon, Mar 6, 2017 at 7:35 PM, Erica Sadun via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>>> Bug report filed with warning emitting request: 
>>> 
>>> https://bugs.swift.org/browse/SR-4174 <https://bugs.swift.org/browse/SR-4174>
>>> 
>>> -- E
>>> 
>>>> On Mar 1, 2017, at 1:58 PM, Pyry Jahkola <pyry.jahkola at iki.fi <mailto:pyry.jahkola at iki.fi>> wrote:
>>>> 
>>>> I guess I should also include the example where the user actually wanted the oldValue to be "x":
>>>> 
>>>>     if case let .two(newValue, value) = example, value == oldValue { ... }
>>>> 
>>>> No surprises there, even if another conditional is required.
>>>> 
>>>> — Pyry
>>> 
>>> 
>>> 
>> 
>> _______________________________________________
>> swift-evolution mailing list
>> swift-evolution at swift.org <mailto:swift-evolution at swift.org>
>> https://lists.swift.org/mailman/listinfo/swift-evolution
> 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-evolution/attachments/20170307/5bc44a9c/attachment.html>