fig07_02.cpp

// fig07_02.cpp
// Pass-by-value used to cube a variable's value.
#include <fmt/format.h>
#include <iostream>

int cubeByValue(int n); // prototype 

int main() {
   int number{5};

   std::cout << fmt::format("Original value of number is {}\n", number);
   number = cubeByValue(number); // pass number by value to cubeByValue
   std::cout << fmt::format("New value of number is {}\n", number);
}

// calculate and return cube of integer argument                
int cubeByValue(int n) {
   return n * n * n; // cube local variable n and return result 
}



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