Struct winnow::combinator::VerifyMap

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pub struct VerifyMap<F, G, I, O, O2, E>
where F: Parser<I, O, E>, G: FnMut(O) -> Option<O2>, I: Stream, E: ParserError<I>,
{ /* private fields */ }
Expand description

Implementation of Parser::verify_map

Trait Implementations§

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impl<F, G, I, O, O2, E> Parser<I, O2, E> for VerifyMap<F, G, I, O, O2, E>
where F: Parser<I, O, E>, G: FnMut(O) -> Option<O2>, I: Stream, E: ParserError<I>,

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fn parse_next(&mut self, input: &mut I) -> PResult<O2, E>

Take tokens from the Stream, turning it into the output Read more
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fn parse_peek(&mut self, input: I) -> IResult<I, O, E>

Take tokens from the Stream, turning it into the output Read more
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fn by_ref(&mut self) -> ByRef<'_, Self>
where Self: Sized,

Treat &mut Self as a parser Read more
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fn value<O2>(self, val: O2) -> Value<Self, I, O, O2, E>
where Self: Sized, O2: Clone,

Produce the provided value Read more
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fn default_value<O2>(self) -> DefaultValue<Self, I, O, O2, E>
where Self: Sized, O2: Default,

Produce a type’s default value Read more
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fn void(self) -> Void<Self, I, O, E>
where Self: Sized,

Discards the output of the Parser Read more
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fn output_into<O2>(self) -> OutputInto<Self, I, O, O2, E>
where Self: Sized, O: Into<O2>,

Convert the parser’s output to another type using std::convert::From Read more
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fn take(self) -> Take<Self, I, O, E>
where Self: Sized, I: Stream,

Produce the consumed input as produced value. Read more
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fn recognize(self) -> Take<Self, I, O, E>
where Self: Sized, I: Stream,

👎Deprecated since 0.6.14: Replaced with Parser::take
Replaced with Parser::take
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fn with_taken(self) -> WithTaken<Self, I, O, E>
where Self: Sized, I: Stream,

Produce the consumed input with the output Read more
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fn with_recognized(self) -> WithTaken<Self, I, O, E>
where Self: Sized, I: Stream,

👎Deprecated since 0.6.14: Replaced with Parser::with_taken
Replaced with Parser::with_taken
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fn map<G, O2>(self, map: G) -> Map<Self, G, I, O, O2, E>
where G: FnMut(O) -> O2, Self: Sized,

Maps a function over the output of a parser Read more
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fn try_map<G, O2, E2>(self, map: G) -> TryMap<Self, G, I, O, O2, E, E2>
where Self: Sized, G: FnMut(O) -> Result<O2, E2>, I: Stream, E: FromExternalError<I, E2>,

Applies a function returning a Result over the output of a parser. Read more
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fn verify_map<G, O2>(self, map: G) -> VerifyMap<Self, G, I, O, O2, E>
where Self: Sized, G: FnMut(O) -> Option<O2>, I: Stream, E: ParserError<I>,

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fn flat_map<G, H, O2>(self, map: G) -> FlatMap<Self, G, H, I, O, O2, E>
where Self: Sized, G: FnMut(O) -> H, H: Parser<I, O2, E>,

Creates a parser from the output of this one Read more
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fn parse_to<O2>(self) -> ParseTo<Self, I, O, O2, E>
where Self: Sized, I: Stream, O: ParseSlice<O2>, E: ParserError<I>,

Apply std::str::FromStr to the output of the parser Read more
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fn verify<G, O2>(self, filter: G) -> Verify<Self, G, I, O, O2, E>
where Self: Sized, G: FnMut(&O2) -> bool, I: Stream, O: Borrow<O2>, O2: ?Sized, E: ParserError<I>,

Returns the output of the child parser if it satisfies a verification function. Read more
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fn context<C>(self, context: C) -> Context<Self, I, O, E, C>
where Self: Sized, I: Stream, E: AddContext<I, C>, C: Clone + Debug,

If parsing fails, add context to the error Read more
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fn complete_err(self) -> CompleteErr<Self>
where Self: Sized,

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fn err_into<E2>(self) -> ErrInto<Self, I, O, E, E2>
where Self: Sized, E: Into<E2>,

Convert the parser’s error to another type using std::convert::From

Auto Trait Implementations§

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impl<F, G, I, O, O2, E> Freeze for VerifyMap<F, G, I, O, O2, E>
where F: Freeze, G: Freeze,

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impl<F, G, I, O, O2, E> RefUnwindSafe for VerifyMap<F, G, I, O, O2, E>

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impl<F, G, I, O, O2, E> Send for VerifyMap<F, G, I, O, O2, E>
where F: Send, G: Send, I: Send, O: Send, O2: Send, E: Send,

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impl<F, G, I, O, O2, E> Sync for VerifyMap<F, G, I, O, O2, E>
where F: Sync, G: Sync, I: Sync, O: Sync, O2: Sync, E: Sync,

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impl<F, G, I, O, O2, E> Unpin for VerifyMap<F, G, I, O, O2, E>
where F: Unpin, G: Unpin, I: Unpin, O: Unpin, O2: Unpin, E: Unpin,

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impl<F, G, I, O, O2, E> UnwindSafe for VerifyMap<F, G, I, O, O2, E>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.