July 2013
Intermediate to advanced
370 pages
8h 27m
English
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13.2 Injecting Methods Using ExpandoMetaClass
To create domain-specific languages (DSLs), we need to be able to add arbitrary methods to different classes and even hierarchies of classes. We need to inject instance methods and static methods, manipulate constructors, and convert a method to a property for the sake of fluency. We’ll want these capabilities for creating mock objects to stand in for collaborators. In this section, we’ll discuss the techniques to alter and enhance a class’s structure.
We can inject methods into a class by adding methods to its MetaClass. The methods we inject are available globally. We’re not restricted to a block like in categories. We discussed ExpandoMetaClass in Section 12.2, Intercepting Methods Using ...
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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.
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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.