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clap/examples/tutorial_derive/01_quick.md
Ed Page 389ff4ff21 fix(help): Subcommand display order respects Command::next_display_order 
Previous behavior:
- They'd be sorted by default
- They'd derive display order if `DeriveDisplayOrder` was set
  - This could be set recursively
- The initial display order value for subcommands was 0

New behavior:
- Sorted order is derived by default
- Sorting is turned on by `cmd.next_display_order(None)`
  - This is not recursive, it must be set on each level
- The display order incrementing is mixed with arguments
  - This does make it slightly more difficult to predict
2022-07-22 15:03:16 -05:00

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$ 01_quick --help
clap [..]
A simple to use, efficient, and full-featured Command Line Argument Parser

USAGE:
    01_quick[EXE] [OPTIONS] [name] [SUBCOMMAND]

ARGS:
    <name>    Optional name to operate on

OPTIONS:
    -c, --config <FILE>    Sets a custom config file
    -d, --debug            Turn debugging information on
    -h, --help             Print help information
    -V, --version          Print version information

SUBCOMMANDS:
    test    does testing things
    help    Print this message or the help of the given subcommand(s)

By default, the program does nothing:

$ 01_quick
Debug mode is off

But you can mix and match the various features

$ 01_quick -dd test
Debug mode is on
Not printing testing lists...