syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":".insert(stringify!($opt_name),"}]}
source_snippet:             .insert(stringify!($opt_name), $opt_expr as &dyn dep_tracking::DepTrackingHash)
context_before:         if $sub_hashes
context_after:             .is_some()