Replace get_or_insert_with with get_or_insert_default

Author: khvzak

src/chunk.rs

@@ -366,7 +366,7 @@ impl Compiler {
             self.libraries_with_known_members.push(lib.clone());
         }
         self.library_constants
-            .get_or_insert_with(HashMap::new)
+            .get_or_insert_default()
             .insert((lib, member), r#const.into());
         self
     }
@@ -666,7 +666,7 @@ impl Chunk<'_> {
             && self.detect_mode() == ChunkMode::Text
         {
             #[cfg(feature = "luau")]
-            if let Ok(data) = self.compiler.get_or_insert_with(Default::default).compile(source) {
+            if let Ok(data) = self.compiler.get_or_insert_default().compile(source) {
                 self.source = Ok(Cow::Owned(data));
                 self.mode = Some(ChunkMode::Binary);
             }

src/state/raw.rs

@@ -1126,7 +1126,7 @@ impl RawLua {
         #[cfg(feature = "luau")]
         if registry.enable_namecall {
             let map: &mut rustc_hash::FxHashMap<_, crate::types::CallbackPtr> =
-                methods_map.get_or_insert_with(Default::default);
+                methods_map.get_or_insert_default();
             for (k, m) in &registry.methods {
                 map.insert(k.as_bytes().to_vec(), &**m);
             }