{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"|"}]}
            | ty::Error(_) => return,
            | ty::Infer(ty::IntVar(_) | ty::FloatVar(_))
            ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_))