Reliure facultative rapide (if-LET
var someValue:Int?
var someAnotherValue:Int! = 0
if let temp = someValue {
print("It has some value \(temp)")
} else {
print("doesn't contain value")
}
if let temp = someAnotherValue {
print("It has some value \(temp)")
} else {
print("doesn't contain value")
}
SAMER SAEID