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// SPDX-License-Identifier: MIT
#include <argparse/argparse.hpp>
int main(int argc, char *argv[]) {
argparse::ArgumentParser program("main");
program.add_argument("square")
.help("display the square of a given number")
.scan<'i', int>();
program.add_argument("--verbose").flag();
try {
program.parse_args(argc, argv);
} catch (const std::exception &err) {
std::cerr << err.what() << std::endl;
std::cerr << program;
return 1;
}
int input = program.get<int>("square");
if (program["--verbose"] == true) {
std::cout << "The square of " << input << " is " << (input * input)
<< std::endl;
} else {
std::cout << (input * input) << std::endl;
}
}
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