// fig19_18.cpp 
// flags member function.
#include <format>
#include <iostream>

int main() {
   int integerValue{1000};
   double doubleValue{0.0947628};

   // display flags value, int and double values (original format)
   std::cout << std::format("flags value: {}\n", std::cout.flags())
      << "int and double in original format:\n"
      << integerValue << '\t' << doubleValue << "\n\n";

   // save original format, then change the format
   auto originalFormat{std::cout.flags()};
   std::cout << std::showbase << std::oct << std::scientific;

   // display flags value, int and double values (new format)
   std::cout << std::format("flags value: {}\n", std::cout.flags())
      << "int and double in new format:\n"
      << integerValue << '\t' << doubleValue << "\n\n";

   std::cout.flags(originalFormat); // restore format

   // display flags value, int and double values (original format)
   std::cout << std::format("flags value: {}\n", std::cout.flags())
      << "int and double in original format:\n"
      << integerValue << '\t' << doubleValue << "\n";
}



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