fixed bug with color layering issue

rustitch/src/vp3.rs

@@ -12,7 +12,9 @@ use crate::types::{ResolvedDesign, StitchCommand};
 ///
 /// Byte order: mixed, but length-prefixed strings and section sizes use big-endian.
 /// Stitch encoding: variable-length (1 byte for small moves, 3 bytes for large).
-pub fn parse(data: &[u8]) -> Result<(Vec<StitchCommand>, Vec<(u8, u8, u8)>), Error> {
+type ParseResult = Result<(Vec<StitchCommand>, Vec<(u8, u8, u8)>), Error>;
+
+pub fn parse(data: &[u8]) -> ParseResult {
     if data.len() < 20 {
         return Err(Error::TooShort {
             expected: 20,
@@ -93,10 +95,11 @@ fn skip_vp3_header(reader: &mut Reader) -> Result<(), Error> {
     // Skip another potential string
     if reader.remaining() >= 2 {
         let peek = reader.peek_u16_be();
-        if let Ok(len) = peek {
-            if len < 1000 && (len as usize) + 2 <= reader.remaining() {
-                skip_string(reader)?;
-            }
+        if let Ok(len) = peek
+            && len < 1000
+            && (len as usize) + 2 <= reader.remaining()
+        {
+            skip_string(reader)?;
         }
     }