Wrap the parameter sets in parenthesis.

src/compare/compare_field.rs

@@ -15,14 +15,23 @@ pub(crate) enum EmacsField<'s> {
 ///
 /// This is for when you want to acknowledge that a field exists in the emacs token, but you do not have any validation for it when using the compare_properties!() macro. Ideally, this should be kept to a minimum since this represents untested values.
 #[allow(dead_code)]
-pub(crate) fn compare_noop<'b, 's, 'x>(
+pub(crate) fn impl_compare_noop<'b, 's, 'x, R, RG>(
     _emacs: &'b Token<'s>,
+    _rust_node: R,
     _emacs_field: &'x str,
-    _rust_value: (),
+    _rust_value_getter: RG,
 ) -> Result<Option<(DiffStatus, Option<String>)>, Box<dyn std::error::Error>> {
     Ok(None)
 }
 
+/// Do no comparison.
+///
+/// This is for when you want to acknowledge that a field exists in the emacs token, but you do not have any validation for it when using the compare_properties!() macro. Ideally, this should be kept to a minimum since this represents untested values.
+#[allow(dead_code)]
+pub(crate) fn compare_identity() -> () {
+    ()
+}
+
 pub(crate) fn compare_property_quoted_string<'b, 's, 'x, R, RG: Fn(R) -> Option<&'s str>>(
     emacs: &'b Token<'s>,
     rust_node: R,