October 2014
Intermediate to advanced
280 pages
7h 20m
English
Content preview from Programming Elixir
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.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.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.
|> — The Amazing Pipe Operator
I’ve saved the best for last, at least when it comes to functions.
You’ve all seen code like this:
| | people = DB.find_customers |
| | orders = Orders.for_customers(people) |
| | tax = sales_tax(orders, 2013) |
| | filing = prepare_filing(tax) |
Bread-and-butter programming. We did it because the alternative was to write
| | filing = prepare_filing(sales_tax(Orders.for_customers(DB.find_customers), 2013)) |
and that’s the kind of code that you use to get kids to eat their vegetables. Not only is it hard to read, but you have to read it inside out if you want to see the order in which things get done.
Elixir has a better way of writing it.
| | filing = DB.find_customers |
| | |> Orders.for_customers |
| | |> sales_tax(2013) |
| | |> prepare_filing |
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