syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"AggregateKind::Adt(_,"}]}
source_snippet:                     AggregateKind::Adt(_, variant, _, _, None) => {
context_before:                     AggregateKind::Adt(_, _, _, _, Some(_)) => return,
context_after:                         let ty = self.map.places[lhs].ty;