Jul 8, 2017 · In this case, there are some benefits to allowing this: 1) Methods are just functions that happen defined in a class, and need to be callable either as bound methods with implicit self passing …

For a language-agnostic consideration of the design decision, see What is the advantage of having this/self pointer mandatory explicit?. To close debugging questions where OP omitted a self …

Oct 18, 2016 · Are you supposed to use self when referencing a member function in Python (within the same module)? More generally, I was wondering when it is required to use self, not just for methods …

A.x is a class variable. B 's self.x is an instance variable. i.e. A 's x is shared between instances. It would be easier to demonstrate the difference with something that can be modified like a list:

By making the self reference explicit, you're free to refer to any object by that self reference. Also, such a way of playing with classes at runtime is harder to do in the more static languages - not that's it's …

Nov 24, 2019 · Self is an alias for the type that the impl block is for. The rules of ownership and borrowing apply to self as they apply to any other parameter (see e.g. this answer). Examples of …

Sep 15, 2012 · in python to call inner class method you should write self. before method name, self. means that search class for this method but you don't use self when you call say_hi() in …

Why is cls sometimes used instead of self as an argument in Python classes? For example: class Person: def __init__(self, firstname, lastname): self.firstname = firstname self.

Jul 4, 2020 · I think it is setting the id for each list item as each item in the numbers array? Correct me if wrong - but is each id being set as whatever Int is in each entry of the numbers array? If so, then …

Nov 10, 2014 · When self is accessed in a type method (static func or class func), it refers to the actual type (rather than an instance). When self is used this way, it actually returns what in Swift is called a …