Simplified version

Options.swift

#!/usr/bin/env xcrun swift -O

struct MyOptions: RawOptionSetType, BooleanType {
    var boolValue: Bool { return self.rawValue != 0 }
    var rawValue: UInt
    init(rawValue value: UInt) { 
        self.rawValue = value 
    }
 
    init(nilLiteral: Void) {
        self.rawValue = 0
    }

 
    static let allZeros = MyOptions(rawValue: 0)
    static let OptionA = MyOptions(rawValue: 0b10)
    static let OptionB = MyOptions(rawValue: 0b100)
}