Function `none_of`

fn none_of<Input, Set, Error>(set: Set) -> impl Parser<Input, <Input as Stream>::Token, Error>
where
    Input: StreamIsPartial + Stream,
    <Input as Stream>::Token: Clone,
    Set: ContainsToken<<Input as Stream>::Token>,
    Error: ParserError<Input>

Recognize a token that does not match a [set of tokens][ContainsToken]

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]:

# use winnow::prelude::*;;
# use winnow::stream::ContainsToken;
# use winnow::error::ContextError;
pub fn none_of<'i>(set: impl ContainsToken<char>) -> impl Parser<&'i str, char, ContextError>
# {
#     winnow::token::none_of(set)
# }

Example

# use winnow::{error::ErrMode, error::ContextError};
# use winnow::prelude::*;
# use winnow::token::none_of;
assert_eq!(none_of::<_, _, ContextError>(['a', 'b', 'c']).parse_peek("z"), Ok(("", 'z')));
assert!(none_of::<_, _, ContextError>(['a', 'b']).parse_peek("a").is_err());
assert!(none_of::<_, _, ContextError>('a').parse_peek("").is_err());

# use winnow::{error::ErrMode, error::ContextError, error::Needed};
# use winnow::prelude::*;
# use winnow::Partial;
# use winnow::token::none_of;
assert_eq!(none_of::<_, _, ErrMode<ContextError>>(['a', 'b', 'c']).parse_peek(Partial::new("z")), Ok((Partial::new(""), 'z')));
assert!(none_of::<_, _, ErrMode<ContextError>>(['a', 'b']).parse_peek(Partial::new("a")).is_err());
assert_eq!(none_of::<_, _, ErrMode<ContextError>>('a').parse_peek(Partial::new("")), Err(ErrMode::Incomplete(Needed::new(1))));