October 2014
Beginner to intermediate
150 pages
2h 32m
English
Content preview from Études for 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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Chapter 1. Getting Comfortable with Elixir
Étude 1-1: Experimenting with Errors
The first chapter of
Introducing Elixir
encourages you to play around with the interactive iex system.
In this étude, keep using iex, but purposely make errors.
Try leaving out parentheses in arithmetic expressions. Try putting
numbers next to each other without an operator between them.
Try adding "adam" to 12. Make up variable names that you are sure
Elixir wouldn’t ever accept.
That way, you’ll get a feel for the sort of error messages Elixir produces and not be as baffled when you get errors that you aren’t expecting.
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.