Argu

Uses F# discriminated unions with attributes for argument definition, ensuring compile-time checks and reducing errors, as highlighted in the library's philosophy.

Automatically produces formatted help text based on argument definitions, eliminating manual documentation effort and ensuring consistency.

Handles both command-line arguments and XML configuration files with a single, consistent interface, simplifying code for multi-source configuration.

Includes validation for required arguments and custom error messages, enhancing application robustness and user experience.