fig04_17.cpp

来自「数 据 结 构 与 算 法（C++）的 配套源代码。」· C++ 代码 · 共 24 行

    /**
     * Returns true if x is found in the tree.
     */
    bool contains( const Comparable & x ) const
    {
        return contains( x, root );
    }
    	
    /**
     * Insert x into the tree; duplicates are ignored.
     */
    void insert( const Comparable & x )
    {
        insert( x, root );
    }
    
    /**
     * Remove x from the tree. Nothing is done if x is not found.
     */
    void remove( const Comparable & x )
    {
        remove( x, root );
    }