# Returns a converted `U16String` from a `String`
	init from_string(source: String) do
		var csource = source.to_cstring
		var csource_length = source.byte_length

		uchar_string = new UCharString.nul
		var required_length = uchar_string.from_cstring(0, csource, csource_length)

		uchar_string = new UCharString.empty(required_length)
		uchar_string.from_cstring(required_length, csource, csource_length)

		capacity = required_length
		code_units = source.u16_length
	end