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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
commitdc0db358abe19481e475e10c32149b53370f1a1c (patch)
treeab8ce99c4b255ce46f99ef402c27916055b899ee /vendor/clap-3.2.20/examples/tutorial_derive/04_02_parse.md
parentReleasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff)
downloadrustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz
rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-```console
-$ 04_02_parse_derive --help
-clap [..]
-A simple to use, efficient, and full-featured Command Line Argument Parser
-
-USAGE:
- 04_02_parse_derive[EXE] <PORT>
-
-ARGS:
- <PORT> Network port to use
-
-OPTIONS:
- -h, --help Print help information
- -V, --version Print version information
-
-$ 04_02_parse_derive 22
-PORT = 22
-
-$ 04_02_parse_derive foobar
-? failed
-error: Invalid value "foobar" for '<PORT>': invalid digit found in string
-
-For more information try --help
-
-$ 04_02_parse_derive 0
-? failed
-error: Invalid value "0" for '<PORT>': 0 is not in 1..=65535
-
-For more information try --help
-
-```