February 2017
Intermediate to advanced
402 pages
8h 7m
English
Content preview from Go Design PatternsBecome 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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Functions
A function is a small portion of code that surrounds some action you want to perform and returns one or more values (or nothing). They are the main tool for developer to maintain structure, encapsulation, and code readability but also allow an experienced programmer to develop proper unit tests against his or her functions.
Functions can be very simple or incredibly complex. Usually, you'll find that simpler functions are also easier to maintain, test and debug. There is also a very good advice in computer science world that says: A function must do just one thing, but it must do it damn well.
What does a function look like?
A function is a piece of code with its own variables and flow that doesn't affect anything outside of the opening ...
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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.Julian F.
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.