[swift-evolution] Proposal SE-0009 Reconsideration

David Waite david at alkaline-solutions.com
Thu May 19 12:58:17 CDT 2016

I believe the Swift Team has previously stated they do not want opt-in warnings defining alternate swift ‘grammars’. I don’t believe there are any existing -W flags for the compiler, for instance.

If there is shadowing warning added, I’m of the opinion it should work similar to the override keyword.


> On May 19, 2016, at 11:28 AM, Vladimir.S via swift-evolution <swift-evolution at swift.org> wrote:
> On 18.05.2016 22:43, Krystof Vasa wrote:
>> I agree that shadowing variables is not a good idea, but I stand by my
>> point that it's potentially dangerous and error-prone to allow accessing
>> instance variables without `self`.
> Could we all agree that we need these options:
> 1. option to turn on warnings on accessing instance variables without `self`
> 2. option to turn on warnings on shadowing
> And that by default, none of that options should be enabled.
> ?
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