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https://github.com/clap-rs/clap
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9b23a09f7a
I see them fulfilling two roles - A form of bolding - As a callback to their placeholder in usage However, it is a bit of an unpolished look and no other CLI seems to do it. This looks a bit more proefessional. We have colored help for formatting and I think the sections relation to usage will be clear enough.
593 B
593 B
$ 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:
-n, --name <NAME>
-h, --help Print help information
-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")