python-typing – Page 2

How do I add default parameters to functions when using type hinting?

May 3, 2022 by IT Nursery

If I have a function like this: def foo(name, opts={}): pass And I want to add type hints to the parameters, how do I do it? The way I assumed gives me a syntax error: def foo(name: str, opts={}: dict) -> str: pass The following doesn’t throw a syntax error but it doesn’t seem like … Read more

How do I type hint a method with the type of the enclosing class?

April 17, 2022 by IT Nursery

I have the following code in Python 3: class Position: def __init__(self, x: int, y: int): self.x = x self.y = y def __add__(self, other: Position) -> Position: return Position(self.x + other.x, self.y + other.y) But my editor (PyCharm) says that the reference Position can not be resolved (in the __add__ method). How should I … Read more