argparse/samples/required_optional_argument.cpp
cobyj33 1a7a1dfd43 Change parse_args examples to catch const std::exception instead of std::runtime_error
parse_args can throw exceptions that are not based on std::runtime_error, and the
error message should show on all errors.
2023-10-25 20:33:24 -05:00

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487 B
C++

// SPDX-License-Identifier: MIT
#include <argparse/argparse.hpp>
int main(int argc, char *argv[]) {
argparse::ArgumentParser program("test");
program.add_argument("-o", "--output")
.required()
.help("specify the output file.");
try {
program.parse_args(argc, argv);
} catch (const std::exception &err) {
std::cerr << err.what() << std::endl;
std::cerr << program;
return 1;
}
std::cout << "Output written to " << program.get("-o") << "\n";
}