June 2016
Intermediate to advanced
470 pages
9h 49m
English
Content preview from Delphi Cookbook - Second Edition
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Duck typing using RTTI
"When I see a bird that walks like a duck and swims like a duck and quacks like a duck, I call that bird a duck." | ||
| --James Whitcomb Riley | ||
Clear, isn't it? What may not be so clear is that this approach can be used also in computer programming. Yes, even without an actual duck!
Getting ready
Referring to duck typing, Wikipedia gives the following explanation (http://en.wikipedia.org/wiki/Duck_typing).
In computer programming with object-oriented programming languages, duck typing is a style of typing in which an object's methods and properties determine the valid semantics, rather than its inheritance from a particular class or the implementation of an explicit interface.
How can all these concepts be used in everyday programming? ...
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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.