day 3

day02/src/main.rs

@@ -38,7 +38,7 @@ fn play_score(opponent: &str, player: &str) -> usize {
     player_win_score(player) + outcome as usize
 }
 
-fn player_hand_for_outcome<'a>(outcome: &Outcome, opponent: &str) -> &'a str {
+fn player_hand_for_outcome(outcome: &Outcome, opponent: &str) -> &'static str {
     match outcome {
         Outcome::Won => match opponent {
             "A" => "Y",