[swift-evolution] [Review] SE-0022: Referencing the Objective-C selector of a method

[James Campbell]

What about property attributes? how come some attributes don't have a @
like dynamic or lazy and others do like @objc.



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On Fri, Jan 22, 2016 at 9:36 PM, Chris Lattner <clattner at apple.com> wrote:

>
> On Jan 22, 2016, at 12:03 PM, James Campbell <james at supmenow.com> wrote:
>
> What about other compiler hacks that begin with @? Like @objc ?
>
>
> @ is for attributes.  This is an expression.
>
> -Chris
>
>
>
> Sent from my iPhone
>
> On 22 Jan 2016, at 05:19, Chris Lattner via swift-evolution <
> swift-evolution at swift.org> wrote:
>
>
> On Jan 21, 2016, at 9:17 PM, Erica Sadun <erica at ericasadun.com> wrote:
>
> +1 to setting __LINE__ (and friends) free of their unsightly upper snake
> case. They look like boa constrictors trying to digest a fully-swallowed
> keyword.
>
>
> Yeah, I totally agree.  Actually, the proper spelling would simply be
> #line - after all, there’d be no need to shout any more…
>
> -Chris
>
>
>
> -- E
>
> On Jan 21, 2016, at 10:04 PM, Chris Lattner via swift-evolution <
> swift-evolution at swift.org> wrote:
>
>
> On Jan 21, 2016, at 4:13 PM, Jordan Rose via swift-evolution <
> swift-evolution at swift.org> wrote:
>
>
> I think that #selector is workable and fits into the model - it would be
> simple to implement and not cause unnecessary complexity in the
> implementation.
>
> That said, I’m in favor of x.selector, or #selector(x).  The former seems
> more syntactically elegant if it is practical.
>
>
> The latter gives us easy extensions like
>
> #selector(getter: MyType.property)
> #selector(setter: MyType.property)
>
> #selector is sorta growing on me.
>
>
> +1 from me. At this point in Swift's evolution, the # feels like "invoke
> compiler substitution logic here”.
>
>
> I agree.  Along those lines, we could consider renaming __LINE__ and
> friends to #LINE
>
> -Chris
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