> On Aug 17, 2016, at 7:24 PM, Ben Rimmington <[email protected]> wrote:
>> On 18 Aug 2016, at 02:57, John McCall wrote:
>> 
>> Being able to bypass another class's overrides and jump to a specific 
>> superclass implementation on an arbitrary method call is badly 
>> encapsulation-breaking, and I can't think of any OO language with 
>> first-class support for it besides C++.  In every other language I know of, 
>> super dispatch is always restricted to the self object and only bypasses the 
>> overrides of the current class and its subclasses. Of course there are 
>> runtime tricks you can play to get this in, say, ObjC, but I'm not aware of 
>> them being frequently used.  I would really to see concrete evidence of this 
>> being useful and necessary before considering it any further.
> 
> Doesn't this already exist as "unapplied method references" in Swift?

Unapplied method references still dispatch down.  It's a pretty simple 
experiment to run for yourself.

John.

> 
> <https://github.com/apple/swift-evolution/blob/master/proposals/0042-flatten-method-types.md>
> 
> SE-0042 isn't implemented yet, so maybe the curried version should be 
> deprecated?
> 
> -- Ben
> 

_______________________________________________
swift-evolution mailing list
[email protected]
https://lists.swift.org/mailman/listinfo/swift-evolution

Reply via email to