pub fn till_line_ending<Input, Error>(
input: &mut Input,
) -> Result<<Input as Stream>::Slice, Error>
Expand description
Recognizes a string of 0+ characters until "\r\n"
, "\n"
, or eof.
Complete version: Will return an error if there’s not enough input data.
[Partial version][crate::_topic::partial]: Will return Err(winnow::error::ErrMode::Incomplete(_))
if there’s not enough input data.
§Effective Signature
Assuming you are parsing a &str
Stream:
pub fn till_line_ending<'i>(input: &mut &'i str) -> ModalResult<&'i str>
§Example
fn parser<'s>(input: &mut &'s str) -> ModalResult<&'s str> {
till_line_ending.parse_next(input)
}
assert_eq!(parser.parse_peek("ab\r\nc"), Ok(("\r\nc", "ab")));
assert_eq!(parser.parse_peek("ab\nc"), Ok(("\nc", "ab")));
assert_eq!(parser.parse_peek("abc"), Ok(("", "abc")));
assert_eq!(parser.parse_peek(""), Ok(("", "")));
assert!(parser.parse_peek("a\rb\nc").is_err());
assert!(parser.parse_peek("a\rbc").is_err());
assert_eq!(till_line_ending::<_, ErrMode<ContextError>>.parse_peek(Partial::new("ab\r\nc")), Ok((Partial::new("\r\nc"), "ab")));
assert_eq!(till_line_ending::<_, ErrMode<ContextError>>.parse_peek(Partial::new("abc")), Err(ErrMode::Incomplete(Needed::Unknown)));
assert_eq!(till_line_ending::<_, ErrMode<ContextError>>.parse_peek(Partial::new("")), Err(ErrMode::Incomplete(Needed::Unknown)));
assert!(till_line_ending::<_, ErrMode<ContextError>>.parse_peek(Partial::new("a\rb\nc")).is_err());
assert!(till_line_ending::<_, ErrMode<ContextError>>.parse_peek(Partial::new("a\rbc")).is_err());