pass mutable reference to Take

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 07eb699..3aa762b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -169,7 +169,7 @@ pub fn derive_deserialize(item: TokenStream) -> TokenStream {
         if len_for.contains_key(&field_name.to_string()) {
             out.extend(
                 vec![quote!(
-                    let r = r.take(*len_for.get(#field_name_string).unwrap() as u64);
+                    let r = &mut r.take(*len_for.get(#field_name_string).unwrap() as u64);
                 )]
                 .into_iter(),
             );