The String method data(using:) takes in an enum specifying how the String should be encoded and returns an optional Data, with enum options like. There are three different types of Unicode character encodings: UTF-8, UTF-16 and UTF-32. Convert a String to BoolĬonvert a String into Unicode (UTF-8, UTF-16, UTF-32) Convert a String to FloatĪlthough the Bool type does not have a dedicated constructor that takes a String, comparison can be used to convert a String to a Bool. One constructor of the Swift type Float, and similarly Float80, takes in a String argument and returns an optional parsed value. Convert a String to DoubleĬonvert a String into a Float and Float80 One constructor of the Swift type Double takes in a String argument and returns an optional parsed value. Just like Int, the Swift type UInt, and related UInt8, UInt16, UInt32, and UInt64, contain a constructor that takes in a String argument and return an optional parsed value. Convert String to IntĬonvert a String into a UInt, UInt8, UInt16, UInt32, and UInt64 The Swift type Int, and related Int8, Int16, Int32, and Int64, contain a constructor that takes in a String argument and return an optional parsed value. Example: let nsString: NSString = "NS"Ĭonvert a String into an Int, Int8, Int16, Int32, and Int64 An NSString can be cast to a String using as. The examples in this post also apply to NSString.
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