refactor: handle RLE decoding errors in 'Map::from_str'

src/error.rs

@@ -39,6 +39,9 @@ pub enum ParseMapError {
     /// Contains non-XSB format character.
     #[error("invalid character: `{0}`")]
     InvalidCharacter(char),
+    /// RLE decoding error occurred.
+    #[error(transparent)]
+    DecodeRleError(#[from] DecodeRleError),
     /// Actions are invalid and cannot be used to build and create levels.
     #[error("invalid actions")]
     InvalidActions,

src/map.rs

@@ -546,7 +546,7 @@ impl FromStr for Map {
             }
             // If the `line` contains digits, perform RLE decoding
             if line.chars().any(char::is_numeric) {
-                line = rle_decode(&line).unwrap();
+                line = rle_decode(&line)?;
             }
             dimensions.x = dimensions.x.max(line.len() as i32);
             dimensions.y += 1;