Swift specificity

Playground.swift

import Foundation

func doStuff(item: Any) {
    println("Do stuff with this: \(item)")
}

class Foo {
    func doStuff() {
        doStuff(self) // <- Won’t compile. “Cannot convert 'Foo' to type '() -> ()'”
    }
}

let f = Foo()
doStuff(f)
f.doStuff()

In a non-playground setting, looks like you can specify ModuleName.doStuff() to get at the right function.