Do you know how `self` gets injected into a method in Python?
Methods defined in a class are function objects.
Methods in a class instance are **bound methods**
A thread 👇
#100DaysOfCode #freeCodeCamp
Methods defined in a class are function objects.
Methods in a class instance are **bound methods**
A thread 👇
#100DaysOfCode #freeCodeCamp
A function object is implemented as a descriptor.
Which means when we access its value we are calling the __get__method in the function object.
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Which means when we access its value we are calling the __get__method in the function object.
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When you call a method in an object instance the function descriptor injects the instance as the first argument.
In fact, we can manually call the descriptor from the class definition to show how it's actually being called:
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In fact, we can manually call the descriptor from the class definition to show how it's actually being called:
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You can play around with this notebook:mybinder.org/v2/gh/rmcomple…
A thread about descriptors:
Python docs about descriptors: docs.python.org/3/howto/descri…
A thread about descriptors:
https://twitter.com/rmcomplexity/status/1335954721400446977?s=20
Python docs about descriptors: docs.python.org/3/howto/descri…
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