openharmony/third_party_rust_nom
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update the docs on char

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This commit is contained in:
Geoffroy Couprie 2020-08-30 14:20:30 +02:00
parent 3dcddc9cc1
commit 11571df573
3 changed files with 15 additions and 9 deletions
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11
src/character/complete.rs
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@ -15,12 +15,15 @@ use crate::traits::{Compare, CompareResult};
/// # Example
///
/// ```
/// # use nom::{Err, error::ErrorKind};
/// # use nom::{Err, error::{ErrorKind, Error}, IResult};
/// # use nom::character::complete::char;
/// # fn main() {
/// assert_eq!(char::<_, (&str, ErrorKind)>('a')("abc"), Ok(("bc", 'a')));
/// assert_eq!(char::<_, (&str, ErrorKind)>('a')("bc"), Err(Err::Error(("bc", ErrorKind::Char))));
/// assert_eq!(char::<_, (&str, ErrorKind)>('a')(""), Err(Err::Error(("", ErrorKind::Char))));
/// fn parser(i: &str) -> IResult<&str, char> {
/// char('a')(i)
/// }
/// assert_eq!(parser("abc"), Ok(("bc", 'a')));
/// assert_eq!(parser("bc"), Err(Err::Error(Error::new("bc", ErrorKind::Char))));
/// assert_eq!(parser(""), Err(Err::Error(Error::new("", ErrorKind::Char))));
/// # }
/// ```
pub fn char<I, Error: ParseError<I>>(c: char) -> impl Fn(I) -> IResult<I, char, Error>

11
src/character/streaming.rs
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@ -16,12 +16,15 @@ use crate::error::ErrorKind;
/// # Example
///
/// ```
/// # use nom::{Err, error::ErrorKind, Needed};
/// # use nom::{Err, error::{ErrorKind, Error}, Needed, IResult};
/// # use nom::character::streaming::char;
/// # fn main() {
/// assert_eq!(char::<_, (_, ErrorKind)>('a')(&b"abc"[..]), Ok((&b"bc"[..], 'a')));
/// assert_eq!(char::<_, (_, ErrorKind)>('a')(&b"bc"[..]), Err(Err::Error((&b"bc"[..], ErrorKind::Char))));
/// assert_eq!(char::<_, (_, ErrorKind)>('a')(&b""[..]), Err(Err::Incomplete(Needed::new(1))));
/// fn parser(i: &str) -> IResult<&str, char> {
/// char('a')(i)
/// }
/// assert_eq!(parser("abc"), Ok(("bc", 'a')));
/// assert_eq!(parser("bc"), Err(Err::Error(Error::new("bc", ErrorKind::Char))));
/// assert_eq!(parser(""), Err(Err::Incomplete(Needed::new(1))));
/// # }
/// ```
pub fn char<I, Error: ParseError<I>>(c: char) -> impl Fn(I) -> IResult<I, char, Error>

2
src/error.rs
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@ -110,7 +110,7 @@ impl<I> ParseError<I> for (I, ErrorKind) {
impl<I> ContextError<I> for (I, ErrorKind) {}
impl<I, E> FromExternalError<I, E> for (I, ErrorKind) {
fn from_external_error(input: I, kind: ErrorKind, e: E) -> Self {
fn from_external_error(input: I, kind: ErrorKind, _e: E) -> Self {
(input, kind)
}
}