
python - What is a "callable"? - Stack Overflow
Apr 7, 2017 · callable actually tells you if something is callable or not, while checking for __call__ tells you nothing; If an object o provides __getattribute__ or __getattr__, hasattr(o, '__call__') …
what exactly is python typing.Callable? - Stack Overflow
Jul 30, 2024 · typing.Callable is the type you use to indicate a callable. Most python types that support the operator are of the type collections.abc.Callable. Examples include functions, …
multithreading - The difference between the Runnable and …
Sep 19, 2018 · Difference between Runnable and callable as below-- 1) The run() method of runnable returns void, means if you want your thread return something which you can use …
java - CompletableFuture from Callable? - Stack Overflow
May 31, 2015 · * * @param callable a function returning the value to be used to complete the * returned CompletableFuture * @param executor the executor to use for asynchronous …
javascript - Can you make an object 'callable'? - Stack Overflow
Oct 12, 2013 · they are not callable. they contain functions, which are callable. also applies for the answer - they are objects with functions in it, not callable. But if you wanna really get creative …
What is a callable object in C++? - Stack Overflow
Feb 8, 2015 · The term "callable object" is broader: it also includes pointers to members (which can't be called with the normal function call syntax). Callable objects are the things that can be …
What does it mean for a class to be callable? - Stack Overflow
Leaving apart the mechanisms that mark functions as callable, Python classes have, as you know, special methods. The method that makes instances of a class callable is __call__. So, if …
Why does TypeError: 'list' object is not callable appear? - Stack …
You might as well be wondering what is a "callable", in which case you can read this post. list, being a class, is callable. Calling a class triggers instance construction and initialisation. An …
What does "TypeError 'xxx' object is not callable" means?
Mar 25, 2020 · A callable object can be a function or a class (that implements __call__ method). According to Python Docs: object.__call__(self[, args...]): Called when the instance is “called” …
How to use Callable with void return type? - Stack Overflow
Apr 1, 2014 · The latter provides a method to submit a Callable and returns a Future to get the result later (or wait for completion). If testA.abc() and testB.xyz() should be executed in …