vendor/clap/examples/tutorial_builder/04_01_possible.md

   1 ```console
   2 $ 04_01_possible --help
   3 A simple to use, efficient, and full-featured Command Line Argument Parser
   4
   5 Usage: 04_01_possible[EXE] <MODE>
   6
   7 Arguments:
   8   <MODE>  What mode to run the program in [possible values: fast, slow]
   9
  10 Options:
  11   -h, --help     Print help
  12   -V, --version  Print version
  13
  14 $ 04_01_possible fast
  15 Hare
  16
  17 $ 04_01_possible slow
  18 Tortoise
  19
  20 $ 04_01_possible medium
  21 ? failed
  22 error: invalid value 'medium' for '<MODE>'
  23   [possible values: fast, slow]
  24
  25 For more information, try '--help'.
  26
  27 ```