February 2012
Intermediate to advanced
1184 pages
37h 17m
English
Content preview from Programming Perl, 4th EditionBecome 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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new
newCLASSNAMELISTnewCLASSNAME
There is no built-in new function.
It is merely an ordinary constructor method (that is, a user-defined
subroutine) that is defined or inherited by the
CLASSNAME class (that is, package) to let you
construct objects of type CLASSNAME. Many
constructors are named “new”, but only by convention, just to trick C++
programmers into thinking they know what’s going on. Always read the
documentation of the class in question so you know how to call its
constructors; for example, the constructor that creates a list box in
the Tk widget set is just called Listbox. See Chapter 12.
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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.
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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.