December 2015
Intermediate to advanced
400 pages
13h 3m
English
Content preview from Swift Programming: The Big Nerd Ranch Guide
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20 Error Handling
How often has a piece of software you have been using crashed or done something it was not supposed to do? The majority of the time, these issues are caused by incorrect error handling. Error handling is one of the unsung heroes of software development: Nobody thinks of it as a priority, and if it is done correctly nobody notices. But it is absolutely critical – users of your software will certainly notice (and complain!) if it is done poorly. In this chapter you will explore the tools that Swift provides to catch and handle errors.
Classes of Errors
There are two broad categories of error that can occur: recoverable errors and nonrecoverable errors.
Recoverable errors are typically events that can occur ...
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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.