Module advent_of_code_2022::day_2

This is my solution for Advent of Code - Day 2 - Rock Paper Scissors

The task was to interpret a strategy guide for a rock, paper, scissors tournament in two different ways, calculating a final score if the guide is followed.

Enums

• Move 🔒
  Encodes the possible moves a player can make
• Outcome 🔒
  Encodes the possible outcome of a round

Functions

• draw_for 🔒
  Given an expected move, what move should be thrown to draw a round
• loss_for 🔒
  Given an expected move, what move should be thrown to win a round
• parse_move 🔒
  Parse a part of an input line as a move
• parse_moves_line 🔒
  The line syntax for part 1
• parse_outcome 🔒
  Parse part of an input line as and expected outcome for a round
• parse_outcome_line 🔒
  The kine syntax for part 2
• parse_strategy 🔒
  Parse a strategy guide, taking the syntax that maps a line in the guide to a Round played so this can be reused in both parts.
• resolve_outcome 🔒
  Calculate the move to make given my opponent’s expected move and a desired outcome
• run
  The entry point for running the solutions with the ‘real’ puzzle input.
• score_move 🔒
  Calculate the part of a round score based on the move I threw
• score_result 🔒
  Calculate the part of a round score based on the round’s outcome
• score_round 🔒
  Calculate the score for a single round
• score_tournament 🔒
  Calculate the sum of the scores for all rounds I layed in
• win_for 🔒
  Given an expected move, what move should be thrown to win a round

Type Aliases

• Round 🔒
  A round representing (opponent's move, my move)
• Tournament 🔒
  My view of a tournament: all the rounds I participate in