better rust

src/days/day13/mod.rs

@@ -147,7 +147,7 @@ impl Packets {
     pub fn parse_all(lines: &str) -> Result<Vec<Packets>, PacketError> {
         split_lines(lines)
             .filter(|line| !line.is_empty())
-            .map(|line| Packets::parse(line))
+            .map(Packets::parse)
             .collect::<Result<Vec<_>, _>>()
     }
 }