uibutton - How to have custom UIControlState in Swift 2.2 using bit masks? -

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i have custom uibutton unique states want have like:

enum positioncontrolstate : int {     case available = 0, pending, waiting, approved, declined }

i've done bit of googling , found stuff bitmasks, , uicontrolstate.application in objective-c. feel have pieces of puzzle, not quite sure how put in swift 2.2.


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