This blog is chock full of these ideas, start here: https://jrsinclair.com/articles/2019/algebraic-data-types-what-i-wish-someone-had-explained-about-functiona

This blog is chock full of these ideas, start here: https://jrsinclair.com/articles/2019/algebraic-data-types-what-i-wish-someone-had-explained-about-functional-programming/ https://jrsinclair.com/articles/2019/algebraic-data-types-wh...