Fix builds.

src/dynamic.rs

@@ -1889,7 +1889,7 @@ impl From<Decimal> for Dynamic {
     fn from(value: Decimal) -> Self {
         Self(Union::Decimal(
             Box::new(value.into()),
-            DEFAULT_TAG,
+            DEFAULT_TAG_VALUE,
             ReadWrite,
         ))
     }

src/fn_native.rs

@@ -109,14 +109,14 @@ impl<'a> NativeCallContext<'a> {
     pub const fn new_with_all_fields(
         engine: &'a Engine,
         fn_name: &'a str,
-        source: &'a Option<&str>,
+        source: Option<&'a str>,
         imports: &'a Imports,
         lib: &'a [&Module],
     ) -> Self {
         Self {
             engine,
             fn_name,
-            source: source.clone(),
+            source,
             mods: Some(imports),
             lib,
         }

src/serde/metadata.rs

@@ -146,7 +146,11 @@ impl From<&crate::module::FuncInfo> for FnMetadata {
                 }
                 #[cfg(not(feature = "no_function"))]
                 {
-                    info.func.get_fn_def().comments.to_vec()
+                    info.func
+                        .get_script_fn_def()
+                        .expect("never fails because the function is scripted")
+                        .comments
+                        .to_vec()
                 }
             } else {
                 Default::default()