{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"ty::PatternKind::Or(patterns)"}]}
        ty::PatternKind::Or(patterns) => {
        ty::PatternKind::Range { .. } => get_nullable_type(tcx, typing_env, base),
            let first = get_nullable_type_from_pat(tcx, typing_env, base, patterns[0])?;