If given, show allowed choices in help message.

p-ranav / argparse

Argument Parser for Modern C++

MIT License

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If given, show allowed choices in help message. #349

Open veimmone opened 4 months ago

veimmone commented 4 months ago

Previously, the only way for the user to get a list of allowed choices was to run the command with an incorrect choice. This commit adds the list of allowed choices to the help message.