Struct winnow::combinator::DefaultValue

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pub struct DefaultValue<F, I, O, O2, E>
where F: Parser<I, O, E>, O2: Default,
{ /* private fields */ }
Expand description

Implementation of Parser::default_value

Trait Implementations§

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impl<F, I, O, O2, E> Parser<I, O2, E> for DefaultValue<F, I, O, O2, E>
where F: Parser<I, O, E>, O2: Default,

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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 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 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 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, I, O, O2, E> Freeze for DefaultValue<F, I, O, O2, E>
where F: Freeze,

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impl<F, I, O, O2, E> RefUnwindSafe for DefaultValue<F, I, O, O2, E>

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

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

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

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impl<F, I, O, O2, E> UnwindSafe for DefaultValue<F, 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.