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Call init once to validate the option definitions. After that, you can play with your options. (Word completion will be available as well.)

Things to try out

Validation errors

  • check if an error is reported for duplicate option names
  • check if an error is reported for duplicate enumerated values
  • check if an error is reported for duplicate positional options

Validation warnings

  • check if a warning is reported for option names too similar to each other (e.g. -help1 and -help2)
  • check if a warning is reported for option names with mixed naming conventions (e.g. -h and --b)
  • check if a warning is reported for a variadic option with cluster letters