Tic Tac Toe: Part 2

In this episode we talk about

• What is evil about this code?
• Variables: using variables to store data, renaming variables
• How do you resist the temptation to try to do it all?

Follow along with our commits:

• Make the loops in best_more_for method more alike
• use variable to store move
• combine loops into one
• Remove extra conditional statement
• make move assignment into one liner and make winner method conditional
• Extract winning_player method
• Loop through rows to find winning player
• Start renaming square to position
• Finish renaming square to position
• Add position occupied method
• Introduce mark_at method to express intent
• Replace winning_player with winning_row
• Add test for other win conditions
• Shameless green varied winning positions