Created
July 31, 2016 07:37
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class Person { | |
let name: String | |
init(name: String) { self.name = name } | |
func printName() { print("name = \(name)") } | |
deinit { print("\(name) is being deinited") } | |
} | |
var p: Person? = Person(name: "Hoshi") | |
p?.printName() // name = Hoshi | |
unowned(unsafe) let q = p! | |
q.printName() // name = Hoshi | |
p = nil | |
//q.printName() // incorrect checksum for freed object - object was probably modified after being freed. | |
let pp = Person(name: "Takanori") | |
q.printName() // name = Takanori |
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http://stackoverflow.com/questions/26553924/what-is-the-difference-in-swift-between-unownedsafe-and-unownedunsafe