1 files changed, 2 insertions, 2 deletions

diff --git a/src/ppm.rs b/src/ppm.rs
index 06f696e..07d69b8 100644
--- a/src/ppm.rs
+++ b/src/ppm.rs
@@ -317,7 +317,7 @@ impl PPMParser {
     self.stream.read_uint::<LittleEndian>(1).unwrap() >> 7 & 0x1 != 0
   }
 
-  fn read_line_types(line_types: Vec<u8>) -> impl Generator<Yield = (usize, u8), Return = ()> {
+  fn read_line_types(line_types: &Vec<u8>) -> impl Generator<Yield = (usize, u8), Return = ()> + '_ {
     move || {
       for index in 0..192 {
         let line_type = line_types.get(index / 4).unwrap() >> ((index % 4) * 2) & 0x03;
@@ -370,7 +370,7 @@ impl PPMParser {
       let bitmap = &mut self.layers[layer];
 
       {
-        let mut generator = Self::read_line_types(line_types[layer].clone());
+        let mut generator = Self::read_line_types(&line_types[layer]);
         while let std::ops::GeneratorState::Yielded((line, line_type)) =
           std::pin::Pin::new(&mut generator).resume(())
         {