On the national level, Norwell is a part of Massachusetts's 9th congressional district, and is currently represented by Bill Keating. The state's senior (Class II) member of the United States Senate, elected in 2013, is Ed Markey.
As it happens sin() and cos() are also functions. A function has another property: all calls to a function with the same parameters, should return the same result. A method, on the other hand, is a function that is related to an object in an object-oriented language. It has one implicit parameter: the object being acted upon (and it's state).
Learn Swift Basics. A function is a fundamental building block of a computer program and allows us to write chunks of code that we can reuse as often as we need. In Swift, functions are quite powerful and in this course, we'll start by taking a look at the syntax and how functions work.