April 2024
Beginner to intermediate
224 pages
5h 7m
English
Content preview from From Ruby to ElixirBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Fun with Functions
Functions are simple at first glance—they have a name, arguments, and a body. But Elixir allows you to overload functions in several different ways that aren’t possible in most other languages. Even though they are simple, this ability to overload them makes functions very powerful.
You wrote named functions in the previous section. In this section, you’ll deal with anonymous functions. Anonymous functions are a quick and convenient way to define functions inline in your code.
Let’s get started with anonymous functions.
Anonymous Functions
Anonymous functions are ones that have no name. They are commonly used when passing behavior into a different function, such as an enumeration function.
Anonymous functions are quick and ...
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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.