if-let-with-multiple-optionals-is-lazy.swift

gistfile1.swift

// Of course, `if let` with multiple optionals is lazy.
//
// Tested on 2015-02-09 in Xcode 6.3 Beta 1, Swift 1.2.


func foo() -> Int? {
    println("foo")
    return 0
}

func bar() -> Int? {
    println("bar")
    return nil
}

func baz() -> Int? {
    println("baz")
    return 0
}


if let a = foo(), b = bar(), c = baz() {
    println("boom")
}


// prints:
//
// foo
// bar