chore: clippy fix needless_borrow

codegen/src/module.rs

@@ -150,7 +150,7 @@ impl Parse for Module {
                         name: ident.to_string(),
                         typ: ty.clone(),
                         expr: expr.as_ref().clone(),
-                        cfg_attrs: crate::attrs::collect_cfg_attr(&attrs),
+                        cfg_attrs: crate::attrs::collect_cfg_attr(attrs),
                     }),
                     _ => {}
                 }
@@ -167,7 +167,7 @@ impl Parse for Module {
                     }) => custom_types.push(ExportedType {
                         name: ident.to_string(),
                         typ: ty.clone(),
-                        cfg_attrs: crate::attrs::collect_cfg_attr(&attrs),
+                        cfg_attrs: crate::attrs::collect_cfg_attr(attrs),
                     }),
                     _ => {}
                 }

codegen/src/rhai_module.rs

@@ -45,8 +45,8 @@ pub fn generate_body(
         ..
     } in consts
     {
-        let const_literal = syn::LitStr::new(&const_name, Span::call_site());
+        let const_literal = syn::LitStr::new(const_name, Span::call_site());
-        let const_ref = syn::Ident::new(&const_name, Span::call_site());
+        let const_ref = syn::Ident::new(const_name, Span::call_site());
 
         let cfg_attrs: Vec<_> = cfg_attrs
             .iter()
@@ -69,7 +69,7 @@ pub fn generate_body(
         ..
     } in custom_types
     {
-        let const_literal = syn::LitStr::new(&name, Span::call_site());
+        let const_literal = syn::LitStr::new(name, Span::call_site());
 
         let cfg_attrs: Vec<_> = cfg_attrs
             .iter()
@@ -86,7 +86,7 @@ pub fn generate_body(
     }
 
     for item_mod in sub_modules {
-        item_mod.update_scope(&parent_scope);
+        item_mod.update_scope(parent_scope);
         if item_mod.skipped() {
             continue;
         }
@@ -117,7 +117,7 @@ pub fn generate_body(
     let mut gen_fn_tokens = Vec::new();
 
     for function in fns {
-        function.update_scope(&parent_scope);
+        function.update_scope(parent_scope);
         if function.skipped() {
             continue;
         }

src/api/custom_syntax.rs

@@ -149,7 +149,7 @@ impl Expression<'_> {
 impl AsRef<Expr> for Expression<'_> {
     #[inline(always)]
     fn as_ref(&self) -> &Expr {
-        &self.0
+        self.0
     }
 }
 
@@ -158,7 +158,7 @@ impl Deref for Expression<'_> {
 
     #[inline(always)]
     fn deref(&self) -> &Self::Target {
-        &self.0
+        self.0
     }
 }
 

src/engine.rs

@@ -335,7 +335,7 @@ impl Engine {
                 }
 
                 #[cfg(not(feature = "unchecked"))]
-                self.check_data_size(&r, _pos)?;
+                self.check_data_size(r, _pos)?;
             }
             _ => (),
         }

src/eval/eval_context.rs

@@ -190,7 +190,7 @@ impl<'a, 's, 'ps, 'g, 'pg, 'c, 'pc, 't, 'pt> EvalContext<'a, 's, 'ps, 'g, 'pg, '
                 caches,
                 self.lib,
                 self.this_ptr,
-                &statements,
+                statements,
                 rewind_scope,
                 self.level,
             ),

src/eval/stmt.rs

@@ -161,7 +161,7 @@ impl Engine {
             ) {
                 Ok(_) => {
                     #[cfg(not(feature = "unchecked"))]
-                    self.check_data_size(&args[0], root.1)?;
+                    self.check_data_size(args[0], root.1)?;
                 }
                 Err(err) if matches!(*err, ERR::ErrorFunctionNotFound(ref f, ..) if f.starts_with(op_assign)) =>
                 {
@@ -586,7 +586,7 @@ impl Engine {
                 }
 
                 let condition = self
-                    .eval_expr(scope, global, caches, lib, this_ptr, &expr, level)
+                    .eval_expr(scope, global, caches, lib, this_ptr, expr, level)
                     .and_then(|v| {
                         v.as_bool().map_err(|typ| {
                             self.make_type_mismatch_err::<bool>(typ, expr.position())
@@ -952,7 +952,7 @@ impl Engine {
                 }
 
                 let path_result = self
-                    .eval_expr(scope, global, caches, lib, this_ptr, &expr, level)
+                    .eval_expr(scope, global, caches, lib, this_ptr, expr, level)
                     .and_then(|v| {
                         let typ = v.type_name();
                         v.try_cast::<crate::ImmutableString>().ok_or_else(|| {

src/func/call.rs

@@ -281,7 +281,7 @@ impl Engine {
 
                         return args.and_then(|args| {
                             if !is_op_assignment {
-                                get_builtin_binary_op_fn(fn_name, &args[0], &args[1]).map(|f| {
+                                get_builtin_binary_op_fn(fn_name, args[0], args[1]).map(|f| {
                                     FnResolutionCacheEntry {
                                         func: CallableFunction::from_method(
                                             Box::new(f) as Box<FnAny>
@@ -454,7 +454,7 @@ impl Engine {
             // Check the data size of any `&mut` object, which may be changed.
             #[cfg(not(feature = "unchecked"))]
             if is_ref_mut && args.len() > 0 {
-                self.check_data_size(&args[0], pos)?;
+                self.check_data_size(args[0], pos)?;
             }
 
             // See if the function match print/debug (which requires special processing)
@@ -464,7 +464,7 @@ impl Engine {
                         let t = self.map_type_name(type_name::<ImmutableString>()).into();
                         ERR::ErrorMismatchOutputType(t, typ.into(), pos)
                     })?;
-                    ((&*self.print)(&text).into(), false)
+                    ((*self.print)(&text).into(), false)
                 }
                 KEYWORD_DEBUG => {
                     let text = result.into_immutable_string().map_err(|typ| {
@@ -476,7 +476,7 @@ impl Engine {
                     } else {
                         Some(global.source.as_str())
                     };
-                    ((&*self.debug)(&text, source, pos).into(), false)
+                    ((*self.debug)(&text, source, pos).into(), false)
                 }
                 _ => (result, is_method),
             });

src/module/mod.rs

@@ -1860,7 +1860,7 @@ impl Module {
         let orig_constants = std::mem::take(&mut global.constants);
 
         // Run the script
-        let result = engine.eval_ast_with_scope_raw(&mut scope, global, &ast, 0);
+        let result = engine.eval_ast_with_scope_raw(&mut scope, global, ast, 0);
 
         // Create new module
         let mut module = Module::new();

src/optimizer.rs

@@ -151,7 +151,7 @@ impl<'a> OptimizerState<'a> {
                 &mut self.caches,
                 lib,
                 fn_name,
-                calc_fn_hash(&fn_name, arg_values.len()),
+                calc_fn_hash(fn_name, arg_values.len()),
                 &mut arg_values.iter_mut().collect::<StaticVec<_>>(),
                 false,
                 false,
@@ -1416,7 +1416,7 @@ pub fn optimize_into_ast(
             OptimizationLevel::Simple | OptimizationLevel::Full => optimize_top_level(
                 statements,
                 engine,
-                &scope,
+                scope,
                 #[cfg(not(feature = "no_function"))]
                 &[&lib],
                 optimization_level,

src/types/dynamic.rs

@@ -218,7 +218,7 @@ impl<'d, T: Any + Clone> Deref for DynamicReadLock<'d, T> {
     #[inline]
     fn deref(&self) -> &Self::Target {
         match self.0 {
-            DynamicReadLockInner::Reference(ref reference) => *reference,
+            DynamicReadLockInner::Reference(reference) => reference,
             #[cfg(not(feature = "no_closure"))]
             DynamicReadLockInner::Guard(ref guard) => guard.downcast_ref().expect(CHECKED),
         }

src/types/fn_ptr.rs

@@ -181,7 +181,7 @@ impl FnPtr {
         let mut arg_values = crate::StaticVec::new_const();
         args.parse(&mut arg_values);
 
-        let result = self.call_raw(&context, None, arg_values)?;
+        let result = self.call_raw(context, None, arg_values)?;
 
         let typ = context.engine().map_type_name(result.type_name());