{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"//"}]}
                //   ($Lhs: ty, $Rhs: ty, $Bound: ident) => {
                // macro_rules! __impl_slice_eq1 {
                //     impl<'a, 'b, A: $Bound, B> PartialEq<$Rhs> for $Lhs where A: PartialEq<B> {