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Pranav Srinivas Kumar 2019-04-01 21:53:04 -04:00 committed by GitHub
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@ -27,12 +27,20 @@ Argparse supports a variety of argument types including positional, optional, an
Here's an example of a ***positional argument***: Here's an example of a ***positional argument***:
```cpp ```cpp
#include <argparse.hpp>
int main(int argc, char *argv[]) {
argparse::ArgumentParser program("program name");
program.add_argument("square") program.add_argument("square")
.help("display the square of a given integer") .help("display the square of a given integer")
.action([](const std::string& value) { return pow(std::stoi(value), 2); }); .action([](const std::string& value) { return pow(std::stoi(value), 2); });
program.parse_args(argc, argv); program.parse_args(argc, argv);
std::cout << program.get<double>("square") << std::endl; std::cout << program.get<double>("square") << std::endl;
return 0;
}
``` ```
And running the code: And running the code: