What is the benefit of passing functions as arguments?

It allows you to write generic algorithms that can be customized for different data types or behaviors without rewriting the core logic or creating complex class hierarchies.

How does this improve code maintainability?

It promotes DRY (Don't Repeat Yourself) principles by separating the 'how' of a generic algorithm from the 'what' of a specific implementation task.

When should I use this pattern instead of traditional OOP?

Use it when the customization is behavior-focused and simple, avoiding the boilerplate of creating multiple subclasses for a single method override.

Is this skill specific to Python?

While the examples provided are in Python, the principles of passing functions as first-class citizens apply to most modern programming languages like JavaScript, Go, and Rust.

Pass Function as Argument Pattern

Name: Pass Function as Argument Pattern
Author: jimmc414

byjimmc414

•

開発者ツール

Implements generic algorithms by passing functions as parameters to enable the strategy pattern and configurable behavior.

This skill guides Claude in applying the 'functions as first-class citizens' pattern, specifically inspired by Peter Norvig's coding style. It allows for the creation of highly flexible and reusable algorithms where specific logic—such as sorting criteria, filtering rules, or search strategies—is decoupled from the core algorithm and passed in as an argument. This is particularly useful for implementing the strategy pattern, higher-order functions, and customizable data structures without the overhead of complex class hierarchies.

主な機能

01Facilitates creation of higher-order functions

02Optimizes data structure behavior through custom key and priority functions

031 GitHub stars

04Standardizes callback interfaces for event-driven behavior

05Decouples algorithm logic from specific data implementations

06Implements the Strategy Pattern using functional approaches

ユースケース

01Customizing search and optimization algorithms like hill climbing or A*

02Creating reusable generic utilities that require varied processing strategies

03Configuring data structures with custom sorting or prioritization logic

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jimmc414/claude-code-plugin-marketplace pass-function-as-arg

For use in Claude.ai and ChatGPT

Download Skill