December 2015
Intermediate to advanced
400 pages
13h 3m
English
Content preview from Swift Programming: The Big Nerd Ranch Guide
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6 Loops
Loops help with tasks that are repetitive in nature. They execute a set of code repeatedly, either for a given number of iterations or as long as a defined condition is met. Loops can save you from writing tedious and repetitive code, so take note! You will be using them a lot in your development.
In this chapter, you will use two sorts of loops:
-
the
forloop -
the
whileloop
The for loop is ideal for iterating over the specific elements of an instance or collection of instances when the number of iterations to perform is either known or easy to derive.
The while loop, on the other hand, is well suited for tasks that execute repeatedly as long as a certain condition is met. Each of these has variations. Let’s start ...
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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.