Please help fill in the code to implement an array class for characters. /* Comments help to know what to do in each function. Needs to be in C++

/**

* Set a new size for the array. If \a new_size is less than the current

* size, then the array is truncated. If \a new_size if greater then the

* current size, then the array is made larger and the new elements are

* not initialized to anything. If \a new_size is the same as the current

* size, then nothing happens.

* The array's original contents are preserved regardless of whether the

* array's size is either increased or decreased.

* @param[in] new_size New size of the array

*/

void resize (size_t new_size);

/// Shrink the array to reclaim unused space.

void shrink ();

/**

* Locate the specified character in the array. The index of the first

* occurrence of the character is returned. If the character is not

* found in the array, then -1 is returned.

* @param[in] ch Character to search for

* @return Index value of the character

* @retval -1 Character not found

*/

int find (char ch) const;

/**

* @overload

* This version allows you to specify the start index of the search. If

* the start index is not within the range of the array, then the

* std::out_of_range exception is thrown.

* @param[in] ch Character to search for

* @param[in] start Index to begin search

* @return Index value of first occurrence

* @retval -1 Character not found

* @exception std::out_of_range Invalid index

*/

int find (char ch, size_t start) const;

/**

* Test the array for equality.

* @param[in] rhs Right hand side of equal to sign

* @retval true Left side is equal to right side

* @retval false Left side is not equal to right side

*/

bool operator == (const Array & rhs) const;

/**

* Test the array for inequality.

* @param[in] rhs Right-hand size of not equal to sign

* @retval true Left side is not equal to right side

* @retval false Left size is equal to right side

*/

bool operator != (const Array & rhs) const;