The Ugly Truth About Meta-Programming in Ruby on Rails

5 min readDec 11, 2022

What is Meta-Programming?

Metaprogramming is a programming technique that involves writing code that manipulates or generates other code at runtime. This allows for greater flexibility and dynamic behavior in software, as it allows developers to create and modify code on the fly, without having to manually write and update it.

In the Ruby on Rails framework, metaprogramming is commonly used to create methods and classes dynamically, based on user input or runtime conditions. For example, a…