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Get introduced to the concept of metaprogramming. Learn how to level up your programming skills by discovering the full potential of the macro system in Elixir. Understand the ins and outs of metaprogramming at a fundamental level and write incredible libraries by doing more with less code.

Metaprogramming in Elixir

## Supporting more tag attributes
To make the HTML library truly useful to the world, let’s add support for tag attributes such as `class` and `id`. Let’s extend the DSL to support an optional keyword list that gets translated into tag attributes for each macro.





# Supporting more tag attributes
To make the HTML library truly useful to the world, let’s add support for tag attributes such as `class` and `id`. Let’s extend the DSL to support an optional keyword list that gets translated into tag attributes for each macro.





Let’s extend our DSL to support an optional keyword list that is translated into tag attributes for each macro.

Introduction

The Language of Macros

Extending Elixir with Metaprogramming

Advanced Compile-Time Code Generation

Code Generation from Git API

How to Test Macros

Create an HTML Domain-Specific Language

With Great Power Comes Great Responsibility (and Fun!)

Enhancing API with HTML Attribute Support

Supporting more tag attributes