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https://github.com/clap-rs/clap
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c90a4eabae
In looking at other help output, I noticed that they use two spaces, in place of clap's 4, and it doesn't suffer from legibility. If it doesn't make the output worse, let's go ahead and make it as dense so we fit more content on the screen. This is a part of #4132
583 B
583 B
$ 04_02_validate --help
A simple to use, efficient, and full-featured Command Line Argument Parser
Usage: 04_02_validate[EXE] <PORT>
Arguments:
<PORT> Network port to use
Options:
-h, --help Print help information
-V, --version Print version information
$ 04_02_validate 22
PORT = 22
$ 04_02_validate foobar
? failed
error: Invalid value "foobar" for '<PORT>': `foobar` isn't a port number
For more information try --help
$ 04_02_validate 0
? failed
error: Invalid value "0" for '<PORT>': Port not in range 1-65535
For more information try --help