Load general text file in Swift 3

loadText.swift

func loadText(file: String, handler: (String) -> Void){
        if let path = Bundle.main.path(forResource: file, ofType: "txt") {
            do {
                let context = try String(contentsOfFile: path, encoding: .utf8)
                handler(context)
            } catch {
                print(error.localizedDescription)
            }
        }
    }