{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"tcx.ensure_ok().typeck(discr_def_id.expect_local());"}]}
            tcx.ensure_ok().typeck(discr_def_id.expect_local());
        if let ty::VariantDiscr::Explicit(discr_def_id) = v.discr {
        }