// fig15_06.cpp
// Using type traits to test whether types are 
// integral types, floating-point types or arithmetic types.
#include <fmt/format.h>
#include <iostream>
#include <string>
#include <type_traits> 

int main() {
   std::cout << fmt::format("{}\n{}{}\n{}{}\n{}{}\n{}{}\n{}{}\n\n",
      "CHECK WITH TYPE TRAITS WHETHER TYPES ARE INTEGRAL",
      "std::is_integral<int>::value: ", std::is_integral<int>::value,
      "std::is_integral_v<int>: ", std::is_integral_v<int>,
      "std::is_integral_v<long>: ", std::is_integral_v<long>,
      "std::is_integral_v<float>: ", std::is_integral_v<float>,
      "std::is_integral_v<std::string>: ",
      std::is_integral_v<std::string>);

   std::cout << fmt::format("{}\n{}{}\n{}{}\n{}{}\n{}{}\n{}{}\n\n",
      "CHECK WITH TYPE TRAITS WHETHER TYPES ARE FLOATING POINT",
      "std::is_floating_point<float>::value: ",
      std::is_floating_point<float>::value,
      "std::is_floating_point_v<float>: ",
      std::is_floating_point_v<float>,
      "std::is_floating_point_v<double>: ",
      std::is_floating_point_v<double>,
      "std::is_floating_point_v<int>: ",
      std::is_floating_point_v<int>,
      "std::is_floating_point_v<std::string>: ",
      std::is_floating_point_v<std::string>);

   std::cout << fmt::format("{}\n{}{}\n{}{}\n{}{}\n{}{}\n",
      "CHECK WITH TYPE TRAITS WHETHER TYPES CAN BE USED IN ARITHMETIC",
      "std::is_arithmetic<int>::value: ", std::is_arithmetic<int>::value,
      "std::is_arithmetic_v<int>: ", std::is_arithmetic_v<int>,
      "std::is_arithmetic_v<double>: ", std::is_arithmetic_v<double>,
      "std::is_arithmetic_v<std::string>: ",
      std::is_arithmetic_v<std::string>);
}



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