swift - Converting String into NSDate in array of dictionaries -


i doing requests api returns me following sample :

[{ id = 1004; "planning_id" = 7; "started_on" = "2015-05-14";},  { id = 1380; "planning_id" = 8; "started_on" = "2015-05-16";},  { id = 1382; "planning_id" = 8; "started_on" = "2015-05-18"; }]

as can see, date value returned string considered anyobject now...

i trying change dictionaries of array can use started_on value nsdate

here code :

        in 1..<myarray.count     {          let datestring = shiftsarray[i-1].objectforkey("started_on") as! string          //format date         var dateformatter = nsdateformatter()         dateformatter.dateformat = "yyyy-mm-dd"         var datefromstring = dateformatter.datefromstring(datestring)          shiftsarray[i-1].objectforkey("started_on") = datefromstring     }

however, cannot run code since have error last line : "cannot assign value of type 'nsdate?' value of type "anyobject?".

the problem don't know how change value type of 'started_on' of dictionnaries.

thank in advance,

i dont know how set things before little snippet in question how did:

var arr:[[string:anyobject]] = [["id":1, "planning_id":2, "started_on":"2015-05-13"], ["id":1, "planning_id":2, "started_on":"2015-05-14"], ["id":1, "planning_id":2, "started_on":"2015-05-10"]]  (i, dict) in enumerate(arr) {     let datestring = dict["started_on"] as! string      let formatter = nsdateformatter()     formatter.dateformat = "yyyy-mm-dd"      let date = formatter.datefromstring(datestring)      arr[i]["started_on"] = date }  // mentioned want sort based on date: arr.sort { obj1, obj2 -> bool in     let date1 = obj1["started_on"] as! nsdate     let date2 = obj2["started_on"] as! nsdate      return date1.compare(date2) == nscomparisonresult.orderedascending }

before:

var myarray = [     [         "id" : 1004,         "planning_id" : 7,         "started_on" : "2015-05-14"     ],     [         "id" : 1380,         "planning_id" : 8,         "started_on" : "2015-05-16"     ],     [         "id" : 1382,         "planning_id" : 8,         "started_on" : "2015-05-18"     ] ]

after:

[{     id = 1004;     "planning_id" = 7;     "started_on" = "2015-05-14 07:00:00 +0000"; }, {     id = 1380;     "planning_id" = 8;     "started_on" = "2015-05-16 07:00:00 +0000"; }, {     id = 1382;     "planning_id" = 8;     "started_on" = "2015-05-18 07:00:00 +0000"; }]

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