Metaprogramming Courses

Advanced Ruby Programming: 10 Steps to Mastery
Udemy

Python 3: Deep Dive (Part 4 - OOP)
Udemy

Comprehensive Ruby Programming
Udemy

Using Specialized Types and Language Features in TypeScript
Pluralsight

Julia for Beginners
YouTube

Apache Groovy 4 Fundamentals
Pluralsight

Julia for Biologists - A Perspective on Speed, Abstraction, and Metaprogramming
The Julia Programming Language via YouTube

Introduction to Metaprogramming in Julia - JuliaCon 2021 Workshop
The Julia Programming Language via YouTube

Elixir School
Elixir School via Independent

Know Ruby? Enter Crystal!
Independent