ios - NSObject unable to convert string -

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i have following code getting error @ wrong conversion, still learning below code trying do, not sure code means yet.

 let padding = 353  let minheighttext: nsstring = "\n\n"  let font = uifont(name: "avenir light", size: 15.0)!  let attributes =  [nsfontattributename: font] nsdictionary  let item = items[indexpath.row]  let minsize = minheighttext.boundingrectwithsize(cgsize(width: (view.frame.size.width - 40), height: 1000), options: .useslinefragmentorigin, attributes: attributes [nsobject : anyobject] [nsobject : anyobject], context: nil).height  let maxsize = item.itemdesctiption.boundingrectwithsize(cgsize(width: (view.frame.size.width - 40), height: 1000), options: .useslinefragmentorigin, attributes: attributes [nsobject : anyobject] [nsobject : anyobject], context: nil).height + 50

the error getting this..

/users/david/desktop/ios_app/bid-hub-app/ios-app/bidhub-ios-master/auctionapp/itemlist/itemlistviewcontroller.swift:140:215: cannot convert value of type '[nsobject : anyobject]' expected argument type '[string : anyobject]?' /users/david/desktop/ios_app/bid-hub-app/ios-app/bidhub-ios-master/auctionapp/itemlist/itemlistviewcontroller.swift:138:208: cannot convert value of type '[nsobject : anyobject]' expected argument type '[string : anyobject]?'

no need casting attributes nsdictionary. make following changes:

let attributes =  [nsfontattributename: font] nsdictionary

should be

let attributes =  [nsfontattributename: font]

and remove casting [nsobject : anyobject]


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