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Highlight default arguments and their default behavior

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Signed-off-by: Sean Robinson <sean.robinson@scottsdalecc.edu>
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Sean Robinson 2022-12-20 09:41:22 -07:00
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@ -68,6 +68,8 @@ argparse::ArgumentParser program("program_name");
**NOTE:** There is an optional second argument to the `ArgumentParser` which is the program version. Example: `argparse::ArgumentParser program("libfoo", "1.9.0");` **NOTE:** There is an optional second argument to the `ArgumentParser` which is the program version. Example: `argparse::ArgumentParser program("libfoo", "1.9.0");`
**NOTE:** There is an optional third argument to the `ArgumentParser` which controls default arguments. Example: `argparse::ArgumentParser program("libfoo", "1.9.0", default_arguments::none);` See [Default Arguments](#default-arguments), below.
To add a new argument, simply call ```.add_argument(...)```. You can provide a variadic list of argument names that you want to group together, e.g., ```-v``` and ```--verbose``` To add a new argument, simply call ```.add_argument(...)```. You can provide a variadic list of argument names that you want to group together, e.g., ```-v``` and ```--verbose```
```cpp ```cpp
@ -557,7 +559,7 @@ The grammar follows `std::from_chars`, but does not exactly duplicate it. For ex
### Default Arguments ### Default Arguments
`argparse` provides predefined arguments and actions for `-h`/`--help` and `-v`/`--version`. These default actions exit the program after displaying a help or version message, respectively. These defaults arguments can be disabled during `ArgumentParser` creation so that you can handle these arguments in your own way. (Note that a program name and version must be included when choosing default arguments.) `argparse` provides predefined arguments and actions for `-h`/`--help` and `-v`/`--version`. These default actions **exit** the program after displaying a help or version message, respectively. These defaults arguments can be disabled during `ArgumentParser` creation so that you can handle these arguments in your own way. (Note that a program name and version must be included when choosing default arguments.)
```cpp ```cpp
argparse::ArgumentParser program("test", "1.0", default_arguments::none); argparse::ArgumentParser program("test", "1.0", default_arguments::none);