{"ast_node_type":"other","tokens":[{"end":108,"kind":"keyword","start":0,"text":"///"}]}
    /// or 1 time (if the value is `Some(_)`/`Ok(_)`). This is not very useful and is more clearly expressed
    /// `for` loop over `Option` or `Result` will iterate either 0 (if the value is `None`/`Err(_)`)
    /// via `if let`.