Enhance the definition of the class StringVar given in display 11.11 and 11.12 b

Question

Enhance the definition of the class StringVar given in display 11.11 and 11.12 by adding all of the following:

- member function copy_piece, which returns a specified substring; member function one_chair, which returns a specified single character; and member function set_char, which changes a specified character.

- An overloaded version of the == operator (note that only the string values have to be equal; the values of max_length need not be the same)

- An overloaded version of that performs concatenation of strings of type StringVar

- An overloaded version of the extraction operator >> that reads one word (as opposed to input_line, which reads a whole line)

Explanation / Answer

which display 11.1???

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