Satisfy clippy.

src/packages/lang_core.rs

@@ -304,12 +304,12 @@ fn collect_fn_metadata(
 
                 let mut ns = SmartString::new_const();
                 write!(&mut ns, "{namespace}{}{name}", DoubleColon.literal_syntax()).unwrap();
-                scan_module(engine, list, &ns, &**m, filter);
+                scan_module(engine, list, &ns, m, filter);
             }
         }
 
         for (ns, m) in ctx.iter_imports_raw() {
-            scan_module(engine, &mut list, ns, &**m, filter);
+            scan_module(engine, &mut list, ns, m, filter);
         }
     }
 

src/packages/math_basic.rs

@@ -574,7 +574,7 @@ mod decimal_functions {
                         .into(),
                 )
             },
-            |n| Ok(n),
+            Ok,
         )
     }
     /// Return the integral part of the decimal number.

src/packages/string_more.rs

@@ -541,7 +541,7 @@ mod string_functions {
     /// ```
     #[rhai_fn(name = "contains")]
     pub fn contains_char(string: &str, character: char) -> bool {
-        string.contains(character).into()
+        string.contains(character)
     }
 
     /// Return `true` if the string starts with a specified string.