[swift-evolution] Removing explicit use of `let` from Function Parameters

Nicholas Maccharoli nmaccharoli at gmail.com
Thu Mar 17 23:45:49 CDT 2016


Thank you!

I have filed a PR here: https://github.com/apple/swift-evolution/pull/215

How does it look?

- Nick


All the best,

Nicholas

Linked in:
http://lnkd.in/328U22


On Fri, Mar 18, 2016 at 9:07 AM, Douglas Gregor <dgregor at apple.com> wrote:

> Yes, please file a PR.
>
> Sent from my iPhone
>
> On Mar 17, 2016, at 5:05 PM, Chris Lattner <clattner at apple.com> wrote:
>
> Sure, I’m ok with that if that is what Doug prefers.
>
> -Chris
>
> On Mar 17, 2016, at 4:54 PM, Nicholas Maccharoli <nmaccharoli at gmail.com>
> wrote:
>
> Thank you for the feedback!
>
> I checked SE-0003 again and didnt see explicit mention of this.
>
> I would like to write up a quick proposal today if its ok.
>
> Chris, I promise to make it very concise is it ok to send over a PR to
> swift evolution?
>
> - Nick
>
> 2016年3月18日金曜日、Chris Lattner<clattner at apple.com>さんは書きました:
>
>>
>> On Mar 17, 2016, at 11:08 AM, Douglas Gregor via swift-evolution <
>> swift-evolution at swift.org> wrote:
>>
>>
>> On Mar 17, 2016, at 1:27 AM, Nicholas Maccharoli via swift-evolution <
>> swift-evolution at swift.org> wrote:
>>
>> ​As a follow-up to proposal SE-0003​: "Removing var from Function
>> Parameters" being accepted,
>> I think it might make sense to disallow explicitly declaring function
>> parameters with the `let` keyword since function parameters are immutable
>> by default.
>>
>> Basically disallow writing functions like this:
>>
>> func foo(let i: Int)  { ... }
>>
>> and only allow the function above to be expressed as this:
>>
>> func foo(i: Int) { … }
>>
>>
>> This makes perfect sense to me. Want to write up a proposal?
>>
>>
>> The intention was for this to be included as part of SE-0003.  If it
>> wasn’t, then that was an accidental omission.  Do we really need a full
>> proposal for that?
>>
>> -Chris
>>
>>
>
> --
>
> All the best,
>
> Nicholas
>
> Linked in:
> http://lnkd.in/328U22
>
>
>
>
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