Monadic Error Handling in Python ⚠ Write Better Python Code Part 7B - YouTube
Fleeting- External reference:
see ArjanCodes,
He describes the pattern of returning a result AND and error and explicitely checking for the error, like in rust or golang go.
It is also called Railroads Oriented Programming.
Later, in https://youtu.be/Q0aVbqim5pE, he tries to define more clearly what monads theoretically are, but to me, it was confused. For instance, he never define what the mathematical notion of category is.