8. Overview
A walkthrough of the main ideas.
8. Structures
Structures (called records) and algebraic data types.
8. Warmups
A few light lifting tasks to get you comfortable with data structures.
8. Sum Types I
Only one of the given possible alternatives is used.
Tic-Tac-Toe
Using records to make a most of a game of Tic-Tac-Toe.