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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
commit | dc0db358abe19481e475e10c32149b53370f1a1c (patch) | |
tree | ab8ce99c4b255ce46f99ef402c27916055b899ee /vendor/clap-3.2.20/examples/tutorial_builder/04_02_validate.rs | |
parent | Releasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip |
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/clap-3.2.20/examples/tutorial_builder/04_02_validate.rs')
-rw-r--r-- | vendor/clap-3.2.20/examples/tutorial_builder/04_02_validate.rs | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/vendor/clap-3.2.20/examples/tutorial_builder/04_02_validate.rs b/vendor/clap-3.2.20/examples/tutorial_builder/04_02_validate.rs deleted file mode 100644 index ea2f32e67..000000000 --- a/vendor/clap-3.2.20/examples/tutorial_builder/04_02_validate.rs +++ /dev/null @@ -1,36 +0,0 @@ -use std::ops::RangeInclusive; - -use clap::{arg, command}; - -fn main() { - let matches = command!() // requires `cargo` feature - .arg( - arg!(<PORT>) - .help("Network port to use") - .value_parser(port_in_range), - ) - .get_matches(); - - // Note, it's safe to call unwrap() because the arg is required - let port: u16 = *matches - .get_one::<u16>("PORT") - .expect("'PORT' is required and parsing will fail if its missing"); - println!("PORT = {}", port); -} - -const PORT_RANGE: RangeInclusive<usize> = 1..=65535; - -fn port_in_range(s: &str) -> Result<u16, String> { - let port: usize = s - .parse() - .map_err(|_| format!("`{}` isn't a port number", s))?; - if PORT_RANGE.contains(&port) { - Ok(port as u16) - } else { - Err(format!( - "Port not in range {}-{}", - PORT_RANGE.start(), - PORT_RANGE.end() - )) - } -} |