Coding for Keeps: How to Write a Function

[presentation]
by
Chuck Allison, Utah Valley University
Summary: 

Functions are the basic building blocks of computer systems. Object-oriented classes are a way of packaging functions with shared data. Inheritance and polymorphism essentially are all about finding the right function. It’s all about functions! Get the picture? Chuck Allison explains that functions come in many varieties: static functions, polymorphic functions, generic functions, nested functions, higher-order functions, generator (aka stream) functions, coroutines, function closures, delegates, etc. Functions can handle arguments in different ways: by value, by result, by reference, by sharing, and by need, to name a few. Do you know how and when to use which? Functions should also be resource-friendly and robust should something hit the proverbial fan. Are your functions error-safe? Reusable? Maintainable? Do you know-really know-how to write a function? Come join Chuck and find out.

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