The release of 3.0 C++ (C++17 dialect) header-only library for command-line argument parsing has taken place. argparse, distributed under the MIT license.
What's new:
- Support for mutually exclusive arguments has been added:
auto &group = program.add_mutually_exclusive_group(); group.add_argument("—first"); group.add_argument("—second");
- A C++20 module has been added;
- Support for selecting multiple values has been added:
program.add_argument("input") .default_value(std::string{"baz"}) .choices("foo", "bar", "baz"); program.add_argument("count") .default_value(0) .choices(0, 1, 2, 3, 4, 5);
- Support for binary notation has been added, for example, 0b101:
argparse::ArgumentParser program("test"); program.add_argument("-n").scan();
- An overloaded version of is_subcommand_used has been added, which takes a subcommand parser;
- The exit_on_default_arguments parameter has been added to ArgumentParser;
- Support for hiding subcommands from the --help command output has been added:
argparse::ArgumentParser program("test"); argparse::ArgumentParser hidden_cmd("hidden"); hidden_cmd.add_argument("files").remaining(); hidden_cmd.set_suppress(true); program.add_subparser(hidden_cmd);
- The ability to check for parsed values in ArgumentParser has been added;
- Column alignment for multi-line help for arguments has been added;
- many bugs fixed.
Source: linux.org.ru
