feat: move .trim inside read function

src/bin/scaffold.rs

@@ -24,12 +24,12 @@ mod tests {
     use super::*;
     #[test]
     fn test_part_one() {
-        let input = aoc::read_file("examples", DAY).trim();
+        let input = aoc::read_file("examples", DAY);
         assert_eq!(part_one(&input), None);
     }
     #[test]
     fn test_part_two() {
-        let input = aoc::read_file("examples", DAY).trim();
+        let input = aoc::read_file("examples", DAY);
         assert_eq!(part_two(&input), None);
     }
 }

src/lib.rs

@@ -45,11 +45,10 @@ pub fn read_file(folder: &str, day: u8) -> String {
     let filepath = cwd.join("src").join(folder).join(format!("{day:02}.txt"));
 
     let f = fs::read_to_string(filepath);
-    f.expect("could not open input file")
+    f.expect("could not open input file").trim().to_string()
 }
 
 pub fn parse_args() -> Result<u8, pico_args::Error> {
     let mut args = pico_args::Arguments::from_env();
     args.free_from_str()
 }
-