gistfile1.swift

import Foundation

@infix func ==(lhs: NSDate, rhs: NSDate) -> Bool {
    return lhs == rhs
}

@infix func <=(lhs: NSDate, rhs: NSDate) -> Bool {
    return !(lhs > rhs)
}
@infix func >=(lhs: NSDate, rhs: NSDate) -> Bool {
    return lhs == rhs || lhs > rhs
}
@infix func >(lhs: NSDate, rhs: NSDate) -> Bool {
    return lhs.compare(rhs) == NSComparisonResult.OrderedAscending
}

extension NSDate: Equatable {

}

extension NSDate: Comparable {

}