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Higher-order functions (HOFs) are functions that can take other functions as arguments or return functions as results. This concept is fundamental in functional programming and allows for more flexible, reusable, and modular code.
Key Principles
Accepting Functions as Arguments: Higher-order functions can accept other functions as arguments, enabling dynamic behavior based on the function passed.
Returning Functions: Higher-order functions can return new functions, allowing for the creation of specialized functions or closures.
Code Example
Here is an example of a higher-order function in Python that accepts another function as an argument:
def higher_order_function(callback):print("Executing the higher order function...")callback()def callback_function():print("Executing the callback function...")# Calling the higher order function with the callback function as an argumenthigher_order_function(callback_function) - See more
See all on WikipediaHigher-order function - Wikipedia
In mathematics and computer science, a higher-order function (HOF) is a function that does at least one of the following: takes one or more functions as arguments (i.e. a procedural parameter, which is a parameter of a procedure that is itself a procedure),returns a function or value as its result. See more
• First-class function
• Combinatory logic
• Function-level programming
• Functional programming
• Kappa calculus - a formalism for functions which excludes higher-order functions See moreDirect support
The examples are not intended to compare and contrast programming languages, but to serve as examples of higher-order function syntax
In the following examples, the higher-order function twice takes … See moreWikipedia text under CC-BY-SA license What are Higher Order Functions in JavaScript?
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