Trait combpop::parser::ParserOnce

pub trait ParserOnce<S: Stream<Item = Self::Input> + ?Sized>: ParserBase {
    fn parse_lookahead_once(
        self, 
        stream: &mut S
    ) -> ParseResult<Option<(Self::Output, Consume)>>
    where
        Self: Sized;
    fn emit_expectations(&self, stream: &mut S);
}

Required Methods

fn parse_lookahead_once(
    self,
    stream: &mut S
) -> ParseResult<Option<(Self::Output, Consume)>> where
    Self: Sized, 

fn emit_expectations(&self, stream: &mut S)

Implementors

• impl<I: Clone, S: Stream<Item = I> + ?Sized> ParserOnce<S> for AnyToken<I>
• impl<I: Clone, S: Stream<Item = I> + ?Sized, F: FnOnce(&I) -> bool> ParserOnce<S> for Token<I, F>
• impl<I, S: Stream<Item = I> + ?Sized> ParserOnce<S> for Eof<I>
• impl<S: ?Sized, O, P, F> ParserOnce<S> for Map<O, P, F> where
    S: Stream<Item = P::Input>,
    P: ParserOnce<S>,
    F: FnOnce(P::Output) -> O, 
• impl<S: ?Sized, P0, P1, F> ParserOnce<S> for AndThen<P0, P1, F> where
    S: Stream<Item = P0::Input>,
    P0: ParserOnce<S>,
    P1: ParserOnce<S, Input = P0::Input>,
    F: FnOnce(P0::Output) -> P1, 
• impl<S: ?Sized, I> ParserOnce<S> for Empty<I> where
    S: Stream<Item = I>, 
• impl<S: ?Sized, P0, P1> ParserOnce<S> for Concat2<P0, P1> where
    S: Stream<Item = P0::Input>,
    P0: ParserOnce<S>,
    P1: ParserOnce<S, Input = P0::Input>, 
• impl<S: Stream<Item = I> + ?Sized, I, O> ParserOnce<S> for Fail<I, O>
• impl<S: Stream<Item = P0::Input> + ?Sized, P0, P1> ParserOnce<S> for Choice2<P0, P1> where
    P0: ParserOnce<S>,
    P1: ParserOnce<S, Input = P0::Input, Output = P0::Output>, 
• impl<S: ?Sized, P, V> ParserOnce<S> for Collect<P, V> where
    S: Stream<Item = P::Input>,
    P: ParserIteratorMut<S>,
    V: FromIterator<P::Element>, 
• impl<S: Stream<Item = u8> + ?Sized> ParserOnce<S> for AnyChar
• impl<F: FnOnce(char) -> bool, S: Stream<Item = u8> + ?Sized> ParserOnce<S> for Char<F>
• impl<S: Stream<Item = u8> + ?Sized> ParserOnce<S> for Alpha