blob: 84ff7fa74982c6f0aa6f15616f2679a73b8ec8c8 (
plain)
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
|
```console
$ 03_02_option_derive --help
clap [..]
A simple to use, efficient, and full-featured Command Line Argument Parser
USAGE:
03_02_option_derive[EXE] [OPTIONS]
OPTIONS:
-h, --help Print help information
-n, --name <NAME>
-V, --version Print version information
$ 03_02_option_derive
name: None
$ 03_02_option_derive --name bob
name: Some("bob")
$ 03_02_option_derive --name=bob
name: Some("bob")
$ 03_02_option_derive -n bob
name: Some("bob")
$ 03_02_option_derive -n=bob
name: Some("bob")
$ 03_02_option_derive -nbob
name: Some("bob")
```
|