{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"ty::VariantDiscr::Explicit(disr)"}]}
            ty::VariantDiscr::Explicit(disr) => Some(disr),
        let get_disr = |var: &ty::VariantDef| match var.discr {
            ty::VariantDiscr::Relative(_) => None,