Satisfy clippy.

src/module/mod.rs

@@ -457,7 +457,6 @@ impl Module {
     /// Get a reference to a namespace-qualified variable.
     /// Name and Position in [`EvalAltResult`] are [`None`] and [`NONE`][Position::NONE] and must be set afterwards.
     #[inline(always)]
-    #[must_use]
     pub(crate) fn get_qualified_var(&self, hash_var: u64) -> Result<&Dynamic, Box<EvalAltResult>> {
         self.all_variables.get(&hash_var).ok_or_else(|| {
             EvalAltResult::ErrorVariableNotFound(String::new(), Position::NONE).into()
@@ -1207,7 +1206,7 @@ impl Module {
     /// Merge another [`Module`] into this [`Module`].
     #[inline(always)]
     pub fn merge(&mut self, other: &Self) -> &mut Self {
-        self.merge_filtered(other, &mut |_, _, _, _, _| true)
+        self.merge_filtered(other, &|_, _, _, _, _| true)
     }
 
     /// Merge another [`Module`] into this [`Module`] based on a filter predicate.
@@ -1292,14 +1291,12 @@ impl Module {
 
     /// Get an iterator to the sub-modules in the [`Module`].
     #[inline(always)]
-    #[must_use]
     pub fn iter_sub_modules(&self) -> impl Iterator<Item = (&str, Shared<Module>)> {
         self.modules.iter().map(|(k, m)| (k.as_str(), m.clone()))
     }
 
     /// Get an iterator to the variables in the [`Module`].
     #[inline(always)]
-    #[must_use]
     pub fn iter_var(&self) -> impl Iterator<Item = (&str, &Dynamic)> {
         self.variables.iter().map(|(k, v)| (k.as_str(), v))
     }
@@ -1307,7 +1304,6 @@ impl Module {
     /// Get an iterator to the functions in the [`Module`].
     #[inline(always)]
     #[allow(dead_code)]
-    #[must_use]
     pub(crate) fn iter_fn(&self) -> impl Iterator<Item = &FuncInfo> {
         self.functions.values().map(Box::as_ref)
     }
@@ -1322,7 +1318,6 @@ impl Module {
     /// 5) Shared reference to function definition [`ScriptFnDef`][crate::ast::ScriptFnDef].
     #[cfg(not(feature = "no_function"))]
     #[inline(always)]
-    #[must_use]
     pub(crate) fn iter_script_fn(
         &self,
     ) -> impl Iterator<
@@ -1360,7 +1355,6 @@ impl Module {
     #[cfg(not(feature = "no_function"))]
     #[cfg(not(feature = "internals"))]
     #[inline(always)]
-    #[must_use]
     pub fn iter_script_fn_info(
         &self,
     ) -> impl Iterator<Item = (FnNamespace, FnAccess, &str, usize)> {
@@ -1419,7 +1413,6 @@ impl Module {
     /// # }
     /// ```
     #[cfg(not(feature = "no_module"))]
-    #[must_use]
     pub fn eval_ast_as_new(
         mut scope: crate::Scope,
         ast: &crate::AST,
@@ -1529,13 +1522,13 @@ impl Module {
 
             // Index all variables
             module.variables.iter().for_each(|(var_name, value)| {
-                let hash_var = crate::calc_qualified_var_hash(path.iter().map(|&v| v), var_name);
+                let hash_var = crate::calc_qualified_var_hash(path.iter().copied(), var_name);
                 variables.insert(hash_var, value.clone());
             });
 
             // Index type iterators
             module.type_iterators.iter().for_each(|(&type_id, func)| {
-                type_iterators.insert(type_id, func.clone());
+                type_iterators.insert(type_id, *func);
                 contains_indexed_global_functions = true;
             });
 
@@ -1614,7 +1607,7 @@ impl Module {
     #[inline]
     pub fn set_iter(&mut self, type_id: TypeId, func: IteratorFn) -> &mut Self {
         if self.indexed {
-            self.all_type_iterators.insert(type_id, func.clone());
+            self.all_type_iterators.insert(type_id, func);
             self.contains_indexed_global_functions = true;
         }
         self.type_iterators.insert(type_id, func);