syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"AdtKind::Struct"}]}
source_snippet:                     AdtKind::Struct | AdtKind::Union => {
context_before:                 ty::Adt(adt, args) => match adt.adt_kind() {
context_after:                         let user_provided_types = self.typeck_results.user_provided_types();