// fig20_04.cpp
// Demonstrating operator keywords.
#include <fmt/format.h>
#include <iostream>

int main() {
   bool a{true};
   bool b{false};

   std::cout << fmt::format("a = {}; b = {}\n\n", a, b);

   std::cout << "Logical operator keywords:\n"
      << fmt::format("   a and a: {}\n", a and a)
      << fmt::format("   a and b: {}\n", a and b)
      << fmt::format("    a or a: {}\n", a or a)
      << fmt::format("    a or b: {}\n", a or b)
      << fmt::format("     not a: {}\n", not a)
      << fmt::format("     not b: {}\n", not b)
      << fmt::format("a not_eq b: {}\n", a not_eq b);
}

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