{"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":"#[inline(always)]"}]}
    #[inline(always)]
    /// Visits the given value as a union. No automatic recursion can happen here.
    fn visit_union(&mut self, _v: &Self::V, _fields: NonZero<usize>) -> InterpResult<'tcx> {