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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

## Create an `unless` macro without using `if`
Define an `unless` macro without using `Kernel.if`, by using other control flow constructs in Elixir.






# Create an `unless` macro without using `if`
Define an `unless` macro without using `Kernel.if`, by using other control flow constructs in Elixir.






Test yourself on the concepts covered in this chapter.

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!)

Try It Out

Create an `unless` macro without using `if`