Using default arguments, write a function that asks the user for a number and re

Question

Using default arguments, write a function that asks the user for a number and returns that number. The function should accept a string prompt from the calling code. If the caller doesn't supply a string for the prompt, the function should use a generic prompt. Next, using function overloading, write a function that achieves the same results. Using default arguments, write a function that asks the user for a number and returns that number. The function should accept a string prompt from the calling code. If the caller doesn't supply a string for the prompt, the function should use a generic prompt. Next, using function overloading, write a function that achieves the same results.

Explanation / Answer

#include

#include

using namespace std;

/*The function has same name with different type parameters called as function overloading*/

//returns integer taking string as default argument is (Enter a number)

int askNum(const string &prompt = "Enter a number: ");

//returns integer taking integer as argument

int askNum(int guess);

int main() {

/*asks user number using askNum function with string default argument is =Enter a num and store into number variable*/

          int number = askNum("Enter a num: ");

          cout <<"You entered: " <<number;//using askNum(string)

          cout <<"Enter another number: ";

          cin >> guess;

//calling askNum function taking Integer type parameter

          guess = askNum(guess);

          cout <<"You entered: "<<guess;

}

int askNum(int guess) {

          int guess2 = guess;

          return guess2;

}

int askNum(const string &prompt) {

          int guess;

       cout<<prompt;

          cin> > guess;

          return guess;

}

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