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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 02:49:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 02:49:50 +0000
commit9835e2ae736235810b4ea1c162ca5e65c547e770 (patch)
tree3fcebf40ed70e581d776a8a4c65923e8ec20e026 /vendor/nom/src/character
parentReleasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff)
downloadrustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz
rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip
Merging upstream version 1.71.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/nom/src/character')
-rw-r--r--vendor/nom/src/character/complete.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/vendor/nom/src/character/complete.rs b/vendor/nom/src/character/complete.rs
index 5b73c1467..7cb760a68 100644
--- a/vendor/nom/src/character/complete.rs
+++ b/vendor/nom/src/character/complete.rs
@@ -414,6 +414,24 @@ where
/// assert_eq!(parser("c1"), Err(Err::Error(Error::new("c1", ErrorKind::Digit))));
/// assert_eq!(parser(""), Err(Err::Error(Error::new("", ErrorKind::Digit))));
/// ```
+///
+/// ## Parsing an integer
+/// You can use `digit1` in combination with [`map_res`] to parse an integer:
+///
+/// ```
+/// # use nom::{Err, error::{Error, ErrorKind}, IResult, Needed};
+/// # use nom::combinator::map_res;
+/// # use nom::character::complete::digit1;
+/// fn parser(input: &str) -> IResult<&str, u32> {
+/// map_res(digit1, str::parse)(input)
+/// }
+///
+/// assert_eq!(parser("416"), Ok(("", 416)));
+/// assert_eq!(parser("12b"), Ok(("b", 12)));
+/// assert!(parser("b").is_err());
+/// ```
+///
+/// [`map_res`]: crate::combinator::map_res
pub fn digit1<T, E: ParseError<T>>(input: T) -> IResult<T, T, E>
where
T: InputTakeAtPosition,