kicad/thirdparty/argparse/samples/is_used.cpp

29 lines
928 B
C++

// SPDX-License-Identifier: MIT
#include <argparse/argparse.hpp>
int main(int argc, char *argv[]) {
argparse::ArgumentParser program("test");
program.add_argument("--color")
.default_value(std::string{
"orange"}) // might otherwise be type const char* leading to an error
// when trying program.get<std::string>
.help("specify the cat's fur color");
try {
program.parse_args(argc, argv); // Example: ./main --color orange
} catch (const std::runtime_error &err) {
std::cerr << err.what() << std::endl;
std::cerr << program;
std::exit(1);
}
auto color = program.get<std::string>("--color"); // "orange"
auto explicit_color =
program.is_used("--color"); // true, user provided orange
std::cout << "Color: " << color << "\n";
std::cout << "Argument was explicitly provided by user? " << std::boolalpha
<< explicit_color << "\n";
}