syntax_data: {"ast_node_type":"function","tokens":[{"end":87,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet: fn representability_adt_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Representability {
context_before: */
context_after:     let ty::Adt(adt, args) = ty.kind() else { bug!("expected adt") };