MarkQSchultz

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MarkQSchultz

infix operator >>>= {
associativity right
precedence 90
assignment
}

infix operator <<<= {
associativity right
precedence 90
assignment

MarkQSchultz

extension Optional {
    // Will return the value of optional if it is not nil and if the function `condition` evaluates to true.
    // Otherwise, returns nil
    func filter(condition: T -> Bool) -> T? {
        if let x = self {
            if condition(x) {
                return x
            }
        }