syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"debug!(\"drop_tys_helper:"}]}
source_snippet:             debug!("drop_tys_helper: `{:?}` is manually drop", adt_def);
context_before:         if adt_def.is_manually_drop() {
context_after:             Ok(Vec::new())