chore: address clippy lints

Author: robjtede

.cspell.yml

@@ -2,6 +2,8 @@ version: "0.2"
 words:
   - clippy
   - direnv
+  - msrv
+  - nextest
   - nixos
   - nixpkgs
   - pkgs

src/implementation/codegen.rs

@@ -180,23 +180,17 @@ pub(crate) fn generate(
         };
 
         if mode == ContractMode::LogOnly {
-            result.extend(
-                quote::quote_spanned! { span=>
-                    if !(#exec_expr) {
-                        log::error!("{}", #format_args);
-                    }
+            result.extend(quote::quote_spanned! { span=>
+                if !(#exec_expr) {
+                    log::error!("{}", #format_args);
                 }
-                .into_iter(),
-            );
+            });
         }
 
         if let Some(assert_macro) = get_assert_macro(ctype, mode, span) {
-            result.extend(
-                quote::quote_spanned! { span=>
-                    #assert_macro!(#exec_expr, "{}", #format_args);
-                }
-                .into_iter(),
-            );
+            result.extend(quote::quote_spanned! { span=>
+                #assert_macro!(#exec_expr, "{}", #format_args);
+            });
         }
 
         if mode == ContractMode::Test {

src/implementation/traits.rs

@@ -181,11 +181,9 @@ pub(crate) fn contract_trait_item_trait(_attrs: TokenStream, mut trait_: ItemTra
         .collect::<Vec<_>>();
 
     // remove all previous methods
-    trait_.items = trait_
+    trait_
         .items
-        .into_iter()
-        .filter(|item| !matches!(item, TraitItem::Method(_)))
-        .collect();
+        .retain(|item| !matches!(item, TraitItem::Method(_)));
 
     // add back new methods
     trait_.items.extend(funcs);