February 2012
Intermediate to advanced
1184 pages
37h 17m
English
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Loop Statements
All loop statements have an optional
LABEL in their formal syntax. (You can put
a label on any statement, but it has a special meaning to a
loop.[74]) If present, the label consists of an identifier
followed by a colon. It’s customary to make the label uppercase both
to stand out visually and to avoid potential confusion with reserved
words. (Perl won’t get confused if you use a label that already has a
meaning like if or open, but your readers might.)
[74] Prior to v5.14, you couldn’t put a label on a package statement.
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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.