ios - Swift Array Objects Disapearing -

i'm trying initialise objects in for-loop, add them array , access them later. what's happening objects become unreachable reason , array empty.

here's simplified version of code i'm implementing:

class classa {     var : [customtype]      init() {         self.a = []     }      func doloop(jsonresults: nsdictionary) {          // breakpoint 1: self.a empty (on first run) should be.          jsonresult in jsonresults {              var j = customtype(jsonresult["key1"], jsonresult["key2"])              self.a.append(j)              // breakpoint 2: prints self.a each j being correctly appended          }     }      func retrieveitem() -> customtype {         // breakpoint 3: self.a empty array!         return self.a[0]     } } 

doloop called first, , retrieveitem called. have checked doloop runs before 'retrieveitem' called.

according code, if a empty, jsonresults empty.

please check length of jsonresults