Ole Begemann
Mark Patterson
@olebegemann Do you need to make target and action in TargetActionWrapper optionals?
Instance methods in Swift are just curried type methods: http://oleb.net/blog/2014/07/swift-instance-methods-curried-functions/ …
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@Aurelius61 I updated the article and made action non-optional. Thanks for telling me about it. -
@olebegemann The ?'s were annoying me. TargetActionWrapper must have both to be complete. Could the target one go with unowned? - View other replies
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@Aurelius61 But it would not be a good general solution. You want target to become nil when the object gets deallocated. -
@olebegemann But why would this object continue to exist after the button? Is this from worry about late-arriving events? - View other replies
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@Aurelius61 Itʼs the other way around. If the button still exists and sends the action but the target has been deallocated, it would crash.
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@olebegemann Nice. The same pattern works well in PyObjC. -
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@olebegemann Currying /= PFA! - View other replies
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@codafi_ Are there other common use cases for currying outside PFA? -
@bjhomer No, but that doesn’t make the terms ismorphic. Currying establishes (A /\ B) -> C = (A -> B) -> C. PFA is argument fixing.
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This is Awesome discovery - “
@olebegemann: Instance methods in Swift are just curried type methods: http://oleb.net/blog/2014/07/swift-instance-methods-curried-functions/ …”#Swift -
@olebegemann This makes me happy and I hope it is indicative of a future language feature for true partial function application. -
iOS Dev Weekly から。素晴らしい！ “
@olebegemann: Instance methods in Swift are just curried type methods: http://oleb.net/blog/2014/07/swift-instance-methods-curried-functions/ …”
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