looping ω combinator

gistfile1.c

// trying to implement http://math.stackexchange.com/questions/96122/looping-ω-combinator
// want ω: ω ↦ ω(ω)
 
class SelfToSelf {
    let value:SelfToSelf->SelfToSelf
    init(value:SelfToSelf->SelfToSelf) {
        self.value = value
    }
}
 
func ω(f:SelfToSelf)->SelfToSelf {
    return f.value(f)
}
ω(SelfToSelf(value:ω)) // infinite loop (intentionally). doesn't crash when compiled release.