Actually, the above function will be treated as function expression without a name. The main purpose of wrapping a function with close and open parenthesis is to avoid polluting the global …

357 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C: String s1 = newString(); s1->set(s1, "hello"); Yes, …

Is it possible to pass functions with arguments to another function in Python? Say for something like: def perform (function): return function () But the functions to be passed will have argume...

Jun 15, 2016 · How can I specify the type hint of a variable as a function type? There is no typing.Function, and I could not find anything in the relevant PEP, PEP 483.

Nov 25, 2014 · I have seen the use of %>% (percent greater than percent) function in some packages like dplyr and rvest. What does it mean? Is it a way to write closure blocks in R?

May 5, 2009 · A callback function is a function which is: accessible by another function, and is invoked after the first function if that first function completes A nice way of imagining how a …

A static variable (whether inside a function or not) is initialized exactly once, before any function in that translation unit executes. After that, it retains its value until modified.

I would like to return two values from a function in two separate variables. What would you expect it to look like on the calling end? You can't write a = select_choice(); b = select_choice() …

Nov 24, 2009 · Is it possible to pass a function pointer as an argument to a function in C? If so, how would I declare and define a function which takes a function pointer as an argument?

I have a function whose structure is similar to the above. I want to abstract task 3 into a function, bar(), but I wish to limit the access of this function to only within the scope of foo(a).