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https://github.com/KeqingMoe/argparse.git
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9377e0d3b2
Only those places in the README where an error is explicitly found in the main function have been updated. Other uses of exit are left untouched as there is not enough context to know if return will work in that location. Signed-off-by: Sean Robinson <sean.robinson@scottsdalecc.edu>
29 lines
924 B
C++
29 lines
924 B
C++
// SPDX-License-Identifier: MIT
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#include <argparse/argparse.hpp>
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int main(int argc, char *argv[]) {
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argparse::ArgumentParser program("test");
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program.add_argument("--color")
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.default_value(std::string{
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"orange"}) // might otherwise be type const char* leading to an error
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// when trying program.get<std::string>
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.help("specify the cat's fur color");
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try {
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program.parse_args(argc, argv); // Example: ./main --color orange
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} catch (const std::runtime_error &err) {
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std::cerr << err.what() << std::endl;
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std::cerr << program;
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return 1;
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}
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auto color = program.get<std::string>("--color"); // "orange"
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auto explicit_color =
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program.is_used("--color"); // true, user provided orange
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std::cout << "Color: " << color << "\n";
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std::cout << "Argument was explicitly provided by user? " << std::boolalpha
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<< explicit_color << "\n";
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}
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