Move assert bounds for elements and objects (except PlainText) to the compare element/object functions.

src/compare/util.rs

@@ -13,7 +13,7 @@ fn is_slice_of(parent: &str, child: &str) -> bool {
 /// Get the byte offset into source that the rust object exists at.
 ///
 /// These offsets are zero-based unlike the elisp ones.
-fn get_rust_byte_offsets<'s, S: StandardProperties<'s>>(
+fn get_rust_byte_offsets<'s, S: StandardProperties<'s> + ?Sized>(
     original_document: &'s str,
     rust_ast_node: &'s S,
 ) -> (usize, usize) {
@@ -46,7 +46,7 @@ pub(crate) fn assert_name<'s>(
 /// Assert that the character ranges defined by upstream org-mode's :standard-properties match the slices in Organic's StandardProperties.
 ///
 /// This does **not** handle plain text because plain text is a special case.
-pub(crate) fn assert_bounds<'s, S: StandardProperties<'s>>(
+pub(crate) fn assert_bounds<'s, S: StandardProperties<'s> + ?Sized>(
     original_document: &'s str,
     emacs: &'s Token<'s>,
     rust: &'s S,