| Summary: | What you'll learn--and how you can apply it Julia's type system is one of its key features, and enables both flexible programming and fast performance. But, what is a type and how can it optimize your code? In this lesson, we'll introduce types in Julia, and discuss how to use them effectively in your code. We'll explore Julia's built-in types as well as show you how to define your own, including defining custom constructor methods. We'll also help you get a feel for various design decisions you'll face, such as when to use mutable vs. immutable types. This lesson is for you because You are a relatively new Julia developer looking for a firm foundation in Julia's type system. You want to write code that is high-performance without sacrificing maintainability. Prerequisites: None Materials or downloads needed: Julia 0.6 About the instructors Spencer Russell is a researcher and PhD candidate at the MIT Media Lab, where his work has ranged from wireless mesh networks and sensor infrastructure to audio spatialization and
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