{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
                // `[x, .., y]` would match some slices that `[x, _, .., _, y]` would not.)
                // (This simplification isn't allowed for slice values, because in that case
                if has_dot_dot && slice.array_len.is_some() {