OptionArg
Description:
public enum OptionArg
The OptionArg enum values determine which type of extra argument the options expect to find.
If an option expects an extra argument, it can be specified in several ways; with a short option: `-x arg`, with a long option: `--name
arg` or combined in a single argument: `--name=arg`.
Content:
Enum values:
- NONE - No extra argument.
- STRING - The option takes a string argument.
- INT - The option takes an integer argument.
- CALLBACK - The option provides a callback
to parse the extra argument.
- FILENAME - The option takes a filename as
argument.
- STRING_ARRAY - The option takes a
string argument, multiple uses of the option are collected into an array of strings.
- FILENAME_ARRAY - The option takes a
filename as argument, multiple uses of the option are collected into an array of strings.
- DOUBLE - The option takes a double argument.
- INT64 - The option takes a 64-bit integer.