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csainty/gist:31f2dbea5ae152b695d6

Created June 2, 2014 20:04
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gistfile1.txt
class Foo {
func bar() -> String {
return "Hello"
}
}
func greet (f: Foo) -> String {
return f.bar()
}
var f :Foo? = nil
greet(f) // Error
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