Map

combinedfun::combinators

Struct Map 

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pub struct Map<F1, F2>(/* private fields */);

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impl<I, F1, F2, O> ParserImpl<I> for Map<F1, F2>
where F1: ParserImpl<I>, F2: Fn(F1::Output) -> O,

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type Output = O

The output type of the parser
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type Error = <F1 as ParserImpl<I>>::Error

The error type of the parser
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fn apply(&self, inp: I) -> Result<(I, O), Self::Error>

This runs the parser. It receives an input, returns the input that hasn’t been read yet and the output attached to what was read until that point. If it fails, it returns its error type.

Auto Trait Implementations§

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impl<F1, F2> Freeze for Map<F1, F2>
where F1: Freeze, F2: Freeze,

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impl<F1, F2> RefUnwindSafe for Map<F1, F2>
where F1: RefUnwindSafe, F2: RefUnwindSafe,

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impl<F1, F2> Send for Map<F1, F2>
where F1: Send, F2: Send,

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impl<F1, F2> Sync for Map<F1, F2>
where F1: Sync, F2: Sync,

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impl<F1, F2> Unpin for Map<F1, F2>
where F1: Unpin, F2: Unpin,

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impl<F1, F2> UnwindSafe for Map<F1, F2>
where F1: UnwindSafe, F2: UnwindSafe,

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<I, P, T> Tag<Span<I, P>> for T
where I: Clone, P: Position<I>, T: Tag<I> + ?Sized,

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type Output = <T as Tag<I>>::Output

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fn parse_tag( &self, inp: Span<I, P>, ) -> Option<(<T as Tag<Span<I, P>>>::Output, Span<I, P>)>

The return type is reversed, since the tag is the beginning of the input.
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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.