src/prob2/mod.rs

@@ -55,38 +55,10 @@ impl Into<i32> for ResultPlay {
     }
 }
 
-pub fn round_score(play: char, counter_play: char) -> i32 {
-    let coup = Play::from(play); // translate to the play
-    let counter = Play::from(counter_play); // translate to the play
-    if coup == counter {
-        (ResultPlay::Draw as i32) + (counter_play as i32)
-    } else {
-        use Play::*;
-        use ResultPlay::*;
-        match (&coup, &counter) {
-            (Rock, Paper) => (Win as i32) + (counter as i32),
-            (Rock, Scissors) => (Loss as i32) + (counter as i32),
-            (Paper, Rock) => (Loss as i32) + (counter as i32),
-            (Paper, Scissors) => (Win as i32) + (counter as i32),
-            (Scissors, Rock) => (Win as i32) + (counter as i32),
-            (Scissors, Paper) => (Loss as i32) + (counter as i32),
-            _ => panic!("Case not covered, impossible to reach."),
-        }
+pub fn winning(play: Play) -> char {
+    match play {
+        Play::Rock => Play::Paper.into(),
+        Play::Paper => Play::Scissors.into(),
+        Play::Scissors => Play::Rock.into(),
     }
 }
-
-pub fn solve_part1(file_path: &str) -> i32 {
-    let contents =
-        std::fs::read_to_string(file_path).expect("Please provide a text file as an argument.");
-    let lines: Vec<&str> = contents.split('\n').collect();
-    lines
-        .iter()
-        .map(|line| {
-            let first: char = line.chars().nth(0).unwrap_or('R');
-            let last: char = line.chars().nth(2).unwrap_or('R');
-            round_score(first, last)
-        })
-        .collect::<Vec<i32>>()
-        .iter()
-        .sum()
-}