Refactoring Catalog

Systematic techniques for improving code structure without changing its observable behavior. Based on Martin Fowler's Refactoring Catalog.

Composing Methods

Extract Function

Smell: Long method, code fragment that can be grouped
Action: Turn the fragment into a method with a name explaining its purpose
Cookbook: extract-function.md

Inline Function

Smell: Function body is as clear as its name
Action: Replace calls with the function body and remove the function
Cookbook: inline-function.md