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clap/examples/tutorial_derive/04_01_enum.md
Ed Page e1aafce431 test(tutorial): Ensure we actually test code 
Biggest problem identified is that we are incorrectly setting the help
usage in `04_04_custom`
2022-08-08 14:05:08 -05:00

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$ 04_01_enum_derive --help
clap [..]
A simple to use, efficient, and full-featured Command Line Argument Parser

USAGE:
    04_01_enum_derive[EXE] <MODE>

ARGS:
    <MODE>    What mode to run the program in [possible values: fast, slow]

OPTIONS:
    -h, --help       Print help information
    -V, --version    Print version information

$ 04_01_enum_derive fast
Hare

$ 04_01_enum_derive slow
Tortoise

$ 04_01_enum_derive medium
? failed
error: "medium" isn't a valid value for '<MODE>'
	[possible values: fast, slow]

For more information try --help