December 2016
Intermediate to advanced
841 pages
17h
English
Content preview from TypeScript: Modern JavaScript DevelopmentBecome 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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Template Method Pattern
When we are talking about subclassing or inheriting, the building is usually built from the bottom up. Subclasses inherit the basis and then provide more. However, it could be useful to reverse the structure sometimes as well.
Consider Strategy Pattern which defines the outline of a process and has interchangeable algorithms as strategies. If we apply this structure under the hierarchy of classes, we will have Template Method Pattern.
A template method is an abstract method (optionally with default implementation) and acts as a placeholder under the outline of a larger process. Subclasses override or implement related methods to modify or complete the behaviors. Imaging the skeleton of a TextReader, we are expecting its subclasses ...
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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.