From 2551a5fa4ca178f8f1d8d1198bb1094fc1dcdf85 Mon Sep 17 00:00:00 2001
From: Pcornat <florent.denef@protonmail.com>
Date: Sun, 4 Dec 2022 13:27:27 +0100
Subject: [PATCH] More rust-ish way of doing things.

---
 .gitignore       |  1 +
 src/prob2/mod.rs | 10 ++++------
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index ea8c4bf..2a0038a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+.idea
\ No newline at end of file
diff --git a/src/prob2/mod.rs b/src/prob2/mod.rs
index 1646b0f..c960b2a 100644
--- a/src/prob2/mod.rs
+++ b/src/prob2/mod.rs
@@ -40,10 +40,7 @@ impl From<char> for Play {
             'X' => Play::Rock,
             'Y' => Play::Paper,
             'Z' => Play::Scissors,
-            other => panic!(
-                "Only A, B, C, X, Y or Z letters are available. Had {}",
-                other
-            ),
+            other => panic!("Only A, B, C, X, Y or Z letters are available. Had {other}"),
         }
     }
 }
@@ -107,8 +104,9 @@ pub fn solve_part1(file_path: &str) -> i32 {
     lines
         .iter()
         .map(|line| {
-            let first: char = line.chars().nth(0).unwrap_or('R');
-            let last: char = line.chars().nth(2).unwrap_or('R');
+            let mut line_iter = line.chars();
+            let first: char = line_iter.next().unwrap_or('R');
+            let last: char = line_iter.last().unwrap_or('R');
             round_score(first, last)
         })
         .collect::<Vec<i32>>()