I imagine unsafeBitCast would be the way to go here. But are you assuming that all of the instance methods have type "(Foo) throws -> Void" ? Or do you somehow want to dynamically use the type information?
Jacob On Fri, Nov 18, 2016 at 10:37 PM, Jeff Kelley via swift-users < swift-users@swift.org> wrote: > Hello, > > I’m trying to enumerate the methods of a class in Swift using the > Objective-C runtime. Everything is working fine so far, except for the very > last step. Suppose I have a Swift class like this: > > class Foo: SomeSuperclass { > > > @objc func bar() { > print("Hello, World!") > } > > > } > > Using the Objective-C runtime methods, I can get the method with > class_copyMethodList and then get to the method’s implementation using > method_getImplementation. However, what I need to do next is to stick > this into a tuple that looks like this: > > typealias FooEntry = (fooClass: SomeSuperclass.Type, methods: [(String, ( > Foo) throws -> Void)]) > > For now, the workaround is to make a static variable that returns all of > the entries: > > static var allEntries = { > return [ > ("bar", bar), > ] > } > > Is there any way to go from the raw IMP that I get back from the runtime > to the Swift type so I can construct this list dynamically? > > > Jeff Kelley > > slauncha...@gmail.com | @SlaunchaMan <https://twitter.com/SlaunchaMan> | > jeffkelley.org > > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users > >
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