{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"///"}]}
    /// - `shift_read3` uses `<< 3` (the tag is in the most-significant bits)
    /// pointers for different approaches of tagging:
    /// - `mask_read3` uses `& !0b111` (the tag is in the least-significant bits)