Learning Functional Programming in Go

Writing good code is not unlike a good game of soccer

Play it simple. Make your passes crisp and short. Be intentional. Maintain control of the ball. Always keep your eye on the ball.

Watch a recreational player and then watch an elite player (EP) play the game. What is the the main difference? How well does EP receive the ball? How well does EP pass the ball? Does EP play the ball into space in the path of their teammate or does EP kick long balls in the general direction of the opponent's goal?

Move (to open space), receive (the ball), then pass (the ball). Teams that do that well consistently win. What are we talking about here? Interfaces. Teams that pass the ball effectively from player to player win more games.

We can learn from this. ...