single-dispatch

AttributeError: 'function' object has no attribute 'register' when using functools.singledispatch

AttributeError: 'function' object has no attribute 'register' when using functools.singledispatch Question: Goal: create a single-dispatch generic function; as per functools documentation. I want to use my_func() to calculate dtypes: int or list, in pairs. Note: I’ve chosen to implement type hints and to raise errors for my own test cases, outside of the scope of …

Total answers: 1

functools.singledispatchmethod with own class as arg type

functools.singledispatchmethod with own class as arg type Question: I would like to use functools.singledispatchmethod to overload the binary arithmetic operator methods of a class called Polynomial. The problem I have is that I can’t find a way to register method calls where other is a Polynomial. Perhaps better explained with a simple example: from __future__ …

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How can I use functools.singledispatch with instance methods?

How can I use functools.singledispatch with instance methods? Question: Python 3.4 added the ability to define function overloading with static methods. This is essentially the example from the documentation: from functools import singledispatch class TestClass(object): @singledispatch def test_method(arg, verbose=False): if verbose: print(“Let me just say,”, end=” “) print(arg) @test_method.register(int) def _(arg): print(“Strength in numbers, eh?”, …

Total answers: 2