The subject of super powerswikicompleteguide to kennersuperpowers line encompasses a wide range of important elements. Understanding Python super() with __init__() methods. super() lets you avoid referring to the base class explicitly, which can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. super () in Java - Stack Overflow.
super() is a special use of the super keyword where you call a parameterless parent constructor. Additionally, in general, the super keyword can be used to call overridden methods, access hidden fields or invoke a superclass's constructor. oop - What does 'super' do in Python? The one without super hard-codes its parent's method - thus is has restricted the behavior of its method, and subclasses cannot inject functionality in the call chain. The one with super has greater flexibility.
Building on this, the call chain for the methods can be intercepted and functionality injected. Para que serve função super(); - Stack Overflow em Português. A diretiva super, sem parênteses, permite ainda invocar métodos da classe que foi derivada através da seguinte syntax. super.metodo(); Isto é útil nos casos em que faças override (sobrescrevas) um método da classe pai e desejas invocar o método original.
How does Python's super () work with multiple inheritance?. In fact, multiple inheritance is the only case where super() is of any use. I would not recommend using it with classes using linear inheritance, where it's just useless overhead. In relation to this, coding style - Using "super" in C++ - Stack Overflow.
As for chaining super::super, as I mentionned in the question, I have still to find an interesting use to that. For now, I only see it as a hack, but it was worth mentioning, if only for the differences with Java (where you can't chain "super"). java - When do I use super ()? In this context, i'm currently learning about class inheritance in my Java course and I don't understand when to use the super() call?
Edit: I found this example of code where super.variable is used: class A { ... How do I call a parent class's method from a child class in Python?. 173 Python also has super as well: super (type[, object-or-type]) Return a proxy object that delegates method calls to a parent or sibling class of type. This is useful for accessing inherited methods that have been overridden in a class. The search order is same as that used by getattr () except that the type itself is skipped.
What is a difference between <? super E> and <? Building on this, super E>) says that it's "some type which is an ancestor (superclass) of E"; the second (<? (In both cases E itself is okay.) So the constructor uses the ?
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