syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"on_lookup_result_bits(move_data,"}]}
source_snippet:         on_lookup_result_bits(move_data, lookup_result, |mpi| {
context_before:         let lookup_result = move_data.rev_lookup.find(place.as_ref());
context_after:             callback(mpi, DropFlagState::Present)