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All LessonsFree Lessons (7)

Introduction

Getting Started Course Overview

The Language of Macros

Introduction to Metaprogramming

Tying AST and Macros Together

The Abstract Syntax Tree

Macros: The Building Blocks

Code Injection and the Caller’s Context

Try It Out: Solution

Test Your Knowledge!

Extending Elixir with Metaprogramming

Custom Language Constructs Smarter Testing with Macros Leveraging the Virtual Machine’s Pattern Matching Engine Extending Modules Using Module Attributes for Code Generation Compile-Time Hooks Try It Out Try It Out: Solution Test Your Knowledge!

Advanced Compile-Time Code Generation

Generating Functions from External data MIME-Type Conversion Building an Internationalization Library Finalize Building Our Internationalization Library The Complete Translator Module Introduction to Macro.escape Code Generation from Remote APIs Try It Out Try It Out: Solution Test Your Knowledge!

Mini Project

Code Generation from Git API

How to Test Macros

Setting Up Your Test Suite Deciding What to Test Integration Testing Unit Tests Test Simple and Test Fast Test Your Knowledge!

Create an HTML Domain-Specific Language

Getting Domain Specific

Defining Minimum Viable API

Keeping State With Elixir Agents

Supporting the Entire HTML Spec with Macros

Enhancing API with HTML Attribute Support

Generating Less Code by Walking the AST

To DSL or Not to DSL?

Try It Out: Solution

Test Your Knowledge!

With Great Power Comes Great Responsibility (and Fun!)

When and Where to Use Macros Avoiding Common Pitfalls Kernel.SpecialForms: Know the Environment and Limitations Bending the Rules Build the Future!Test Your Knowledge!

Metaprogramming in Elixir/

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Try It Out: Solution

Try It Out: Solution

See the solution to the coding exercise you tried in the previous lesson.

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Create `unless` macro without using `if`

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

Solution

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