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Learning TypeScript 2.x - Second Edition
book

Learning TypeScript 2.x - Second Edition

by Remo H. Jansen
April 2018
Beginner content levelBeginner
536 pages
13h 21m
English
Packt Publishing
Content preview from Learning TypeScript 2.x - Second Edition

The diamond problem

Sometimes, a class inheritance diagram can take a diamond-like shape (as seen in the following diagram). This kind of class inheritance diagram can potentially lead us to a design issue known as the diamond problem:

If multiple inheritance was allowed and we encounter an inheritance tree with a diamond shape, we would not face any problems while using a method that is exclusive to only one of the classes in the inheritance tree:

var bat = new Bat(); 
bat.fly(); // OK 
bat.eat();// OK 
bat.breath();// OK 

The problem takes place when we try to invoke one of the Bat class's parent methods, and it is unclear or ambiguous which ...

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Publisher Resources

ISBN: 9781788391474Supplemental Content