mirror of
https://github.com/KeqingMoe/argparse.git
synced 2025-07-04 07:04:39 +00:00
1a7a1dfd43
parse_args can throw exceptions that are not based on std::runtime_error, and the error message should show on all errors.
38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
// SPDX-License-Identifier: MIT
|
|
|
|
#include <argparse/argparse.hpp>
|
|
|
|
int main(int argc, char *argv[]) {
|
|
argparse::ArgumentParser program("test");
|
|
|
|
program.add_argument("-a").default_value(false).implicit_value(true);
|
|
|
|
program.add_argument("-b").default_value(false).implicit_value(true);
|
|
|
|
program.add_argument("-c")
|
|
.nargs(2)
|
|
.default_value(std::vector<float>{0.0f, 0.0f})
|
|
.scan<'g', float>();
|
|
|
|
try {
|
|
program.parse_args(argc, argv); // Example: ./main -abc 1.95 2.47
|
|
} catch (const std::exception &err) {
|
|
std::cerr << err.what() << std::endl;
|
|
std::cerr << program;
|
|
return 1;
|
|
}
|
|
|
|
auto a = program.get<bool>("-a"); // true
|
|
auto b = program.get<bool>("-b"); // true
|
|
auto c = program.get<std::vector<float>>("-c"); // {1.95, 2.47}
|
|
|
|
std::cout << "a: " << std::boolalpha << a << "\n";
|
|
std::cout << "b: " << b << "\n";
|
|
if (!c.empty()) {
|
|
std::cout << "c: ";
|
|
for (auto &v : c) {
|
|
std::cout << v << " ";
|
|
}
|
|
std::cout << std::endl;
|
|
}
|
|
} |