$ 03_04_subcommands help
clap [..]
A simple to use, efficient, and full-featured Command Line Argument Parser
USAGE:
03_04_subcommands[EXE] <SUBCOMMAND>
OPTIONS:
-h, --help Print help information
-V, --version Print version information
SUBCOMMANDS:
add Adds files to myapp
help Print this message or the help of the given subcommand(s)
$ 03_04_subcommands help add
clap-add 3.2.14
Adds files to myapp
USAGE:
03_04_subcommands[EXE] add [NAME]
ARGS:
<NAME>
OPTIONS:
-h, --help Print help information
-V, --version Print version information
$ 03_04_subcommands add bob
'myapp add' was used, name is: Some("bob")
Because we set [Command::arg_required_else_help][crate::Command::arg_required_else_help]:
$ 03_04_subcommands
? failed
clap [..]
A simple to use, efficient, and full-featured Command Line Argument Parser
USAGE:
03_04_subcommands[EXE] <SUBCOMMAND>
OPTIONS:
-h, --help Print help information
-V, --version Print version information
SUBCOMMANDS:
add Adds files to myapp
help Print this message or the help of the given subcommand(s)
Because we set [Command::propagate_version][crate::Command::propagate_version]:
$ 03_04_subcommands --version
clap [..]
$ 03_04_subcommands add --version
clap-add [..]