[swift-evolution] Change subscripts to use colons

[Patrick Pijnappel]

Good point. A subscript basically a parameterized property, not a function.
I'm in favor.

On Mon, Jul 11, 2016 at 9:18 AM, James Froggatt via swift-evolution <
swift-evolution at swift.org> wrote:

> Currently, the signature is:
> subscript(_ example: Int) -> Element {
>     get { … }
>     set { … }
> }
>
> The alternative, using a colon, would be:
> subscript(_ example: Int) : Element {
>     get { … }
>     set { … }
> }
>
> Sorry if that wasn't clear.
>
> This would be to better reflect the property-like nature of access.
>
> From James F
>
> On 10 Jul 2016, at 23:57, Brent Royal-Gordon <brent at architechies.com>
> wrote:
>
> >> On Jul 9, 2016, at 11:48 AM, James Froggatt via swift-evolution <
> swift-evolution at swift.org> wrote:
> >>
> >> Subscripts are a hybrid of properties and functions, since they have a
> parameter list, as well as getters and setters, so use of either symbol
> will be unusual in this case.
> >>
> >> However, I think a colon is more suitable, since it implies the
> possibility to set the value.
> >
> > Can you show us an example of the current syntax and your proposed
> replacement? I'm not sure what you actually mean by "use colons".
> >
> > --
> > Brent Royal-Gordon
> > Architechies
> >
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