Description

ParseArgs parses the command line arguments according to the option groups that were added to the parser. On successful parsing of the arguments, the remaining, non-option, arguments (if any) are returned. The returned error indicates a parsing error and can be used with PrintError to display contextual information on where the error occurred exactly.

When the common help group has been added (AddHelp) and either -h or --help was specified in the command line arguments, a help message will be automatically printed if the PrintErrors option is enabled. Furthermore, the special error type ErrHelp is returned. It is up to the caller to exit the program if so desired.

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