> On Mar 31, 2017, at 9:43 AM, Lee M via swift-evolution
> <[email protected]> wrote:
>
> I’m building a fairly large app for macOS, and its not uncommon for a
> view/view controller subclass to implement 10-20+ NSResponder methods. I like
> to separate these methods from other logic/layout code. At the moment, I’d
> break out my code into individual files like this:
>
> TestViewController.swift
> TestViewController+NSResponder.swift
> TestViewController+…
>
> class TestViewController: NSViewController {
>
> }
>
> extension TestViewController {
>
> }
>
> The problem is: when I try to introduce generics to the subclass, the
> compiler complains about limitations on @objc extensions.
Could you be more specific about what the problem is you're having? Sounds like
a bug.
-Joe
> The only workaround is to concatenate everything into a larger file, which
> I’d rather not do. Would it be possible to introduce a simple way to have the
> compiler concatenate declarations for us? Probably creates more problems that
> it solves, but worth mentioning. E.g:
>
> class TestViewController: NSViewController {
> func foo() { }
> }
>
> class TestViewController (continued) {
> func bar() { }
> }
>
> Concatenates into:
>
> class TestViewController: NSViewController {
> func foo() { }
> func bar() { }
> }
>
> Alternate syntax:
>
> continued class TestViewController {
> func bar() { }
> }
>
> Slightly more exotic:
>
> TestViewController.Type += class {
> func bar() { }
> }
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