fig07_10.cpp

// fig07_10.cpp
// Sizeof operator when used on a built-in array's name
// returns the number of bytes in the built-in array.
#include <fmt/format.h>
#include <iostream>

size_t getSize(double* ptr); // prototype

int main() {
   double numbers[20]; // 20 doubles; occupies 160 bytes on our system

   std::cout << fmt::format("Number of bytes in numbers is {}\n\n",
      sizeof(numbers));

   std::cout << fmt::format("Number of bytes returned by getSize is {}\n",
      getSize(numbers));
}

// return size of ptr         
size_t getSize(double* ptr) {
   return sizeof(ptr);
}



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