blob: a32b77685512d127ff63e1be1070ccb6abff0eab (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
```console
$ 03_04_subcommands help
A simple to use, efficient, and full-featured Command Line Argument Parser
Usage: 03_04_subcommands[EXE] <COMMAND>
Commands:
add Adds files to myapp
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
-V, --version Print version
$ 03_04_subcommands help add
Adds files to myapp
Usage: 03_04_subcommands[EXE] add [NAME]
Arguments:
[NAME]
Options:
-h, --help Print help
-V, --version Print version
$ 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]:
```console
$ 03_04_subcommands
? failed
A simple to use, efficient, and full-featured Command Line Argument Parser
Usage: 03_04_subcommands[EXE] <COMMAND>
Commands:
add Adds files to myapp
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
-V, --version Print version
```
Since we specified [`Command::propagate_version`][crate::Command::propagate_version], the `--version` flag
is available in all subcommands:
```console
$ 03_04_subcommands --version
clap [..]
$ 03_04_subcommands add --version
clap-add [..]
```
|
