Add a New Player
Explore how to add a second player to a game state using Elixir's GenServer and OTP. Understand synchronous GenServer calls, pattern matching, and state transformation with private functions to update player data and rules. Learn to handle conditions for adding players and maintain fault tolerant, concurrent application state.
We'll cover the following...
We'll cover the following...
Add the second player
Each game needs to add a second player in order to begin play. This really amounts to assigning a value to the :name key for the second player.
We’ll begin with a public client function, add_player/2. This takes the PID of the game process and the second player’s name. We’ll have add_player/2 wrap GenServer.call/2 so it will be synchronous. Then, we need a new ...