swift - Using Returned JSON Status in an if statement (Checking IAP Auto Renew Receipt ) -

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im want check current subscription status of auto renew in app purchase. im getting receipt data via json, im after advice on how use/query returned data

if let parsejson = json {                         println("recipt \(parsejson)")                      }

returns

recipt {     environment = sandbox;     status = 21004; }

whilst know wouldn't compile, want to along lines of if statement like: 

if parsejson contains status = 21004 {                             //do                          }

you might consider like

if parsejson["status"] as? int == 21004 {     // }

this works because as? int automatically convert nsnumber swift integer, , because there version of == accepts optional arguments.

public func ==<t : equatable>(lhs: t?, rhs: t?) -> bool

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