{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows `if let` guard in match arms.
    (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)),
    (unstable, if_let_guard, "1.47.0", Some(51114)),