{"ast_node_type":"function","tokens":[{"end":74,"kind":"keyword","start":0,"text":"fn"}]}
fn unpack_option_like<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> {
/// the type itself. Works on most `Option`-like types.
    let ty::Adt(def, args) = *ty.kind() else { return ty };