> On Jun 27, 2016, at 7:33 PM, Anton Zhilin via swift-evolution
> <[email protected]> wrote:
>
>> struct Foo {
>> let bar: Int
>>
>> func getBar() -> Int {
>> return self.bar
>> }
>>
>> }
>>
>> let foos = [Foo(bar: 1), Foo(bar: 2), Foo(bar: 3)]
>> let bars = foos.map(.getBar)
>
> This can be done now:
> let bars = foos.map(Foo.getBar)
This will only get you an array of closures:
let bars = foos.map(Foo.getBar) // [() -> Int, () -> Int, () -> Int]
bars[0] // () -> Int
bars[0]() // 1
>
>> While for parameterless functions this might not seem like much of an
>> improvement, I think it helps when there are parameters involved:
>>
>> struct Foo {
>> let bar: Int
>>
>> func combine(other: Foo) -> Foo {
>> return Foo(bar: other.bar + self.bar)
>> }
>> }
>>
>> let foos = [Foo(bar: 5), Foo(bar: 6), Foo(bar: 1)]
>> let reduced = foos.reduce(Foo(bar: 0), .combine)
>
> This also can be done now:
> let reduced = foos.reduce(Foo(bar: 0), Foo.combine)
>
> Are you suggesting to drop class name? That might make sense, but not
> for Swift 3.
>
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