May 2018
Intermediate to advanced
376 pages
9h 22m
English
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Lesson 21. Using modules
After reading lesson 21, you will
- Understand how to specify the location of a module you intend to use
- Understand all the various ways of importing values from modules
- Understand how to import modules for side effects
- Understand the order of execution of code when importing modules
- Be able to break apart large modules into smaller ones
Modules are a great way to separate your logic into cohesive units and share logic across files without the cumbersome use of global variables. They also allow you to import only what is needed, keeping the cognitive load down and making maintenance easier. In the previous lesson you learned what a module is and the basics of how to create a module and export values. In this lesson ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.