swift - How to add barButtonItem to ToolBar -

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how convert code have button appear in toolbar? :

navigationitem.rightbarbuttonitem = editbuttonitem()

try this,

    let barbuttonitem = uibarbuttonitem(title: "edit", style: .plain, target: self, action: "oneditbuttontapped:")     self.navigationitem.rightbarbuttonitem = barbuttonitem

then write action function likes this,

    func oneditbuttontapped(sender:uibarbuttonitem) {         ...     }

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