COIN-OR::LEMON - Graph Library

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  • lemon/bfs.h

    r421 r437  
    17421742    /// \pre Either \ref run(Node) "run()" or \ref init()
    17431743    /// must be called before using this function.
    1744     bool reached(Node v) { return (*_reached)[v]; }
     1744    bool reached(Node v) const { return (*_reached)[v]; }
    17451745
    17461746    ///@}
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