PropertyReference.swift

class FooClass {
    
    var name: String = "" {
        didSet(newName) {
            print("SET")
            print(newName)
        }
    }
    
    func changeAName(inout theProp: String) {
        theProp = "jazzhands" # Changes the value of name but doesn't call the setter
    }
    
    func chagngeit() {
        self.changeAName(&self.name)
    }
    
}

let f = FooClass()

f.name = "jazzersize" # calls the setter correctly
f.name # "jassersize"
f.chagngeit()
f.name # "jazzhands"