syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"DefKind::Field"}]}
source_snippet:         DefKind::Field => representability_ty(tcx, tcx.type_of(def_id).instantiate_identity()),
context_before:         }
context_after:         def_kind => bug!("unexpected {def_kind:?}"),