LabelFn

pem_iterator::boundary

Struct LabelFn 

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pub struct LabelFn<F>(pub F);
Expand description

A label accumulator which calls the specified function

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§0: F

Trait Implementations§

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impl<T, F> Label for LabelFn<F>
where F: FnMut(char) -> Result<Option<char>, T>,

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type LabelError = T

The type of any errors which might occur while accumulating the label
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fn push(&mut self, found: char) -> Result<Option<char>, T>

Adds a character to the label. If it returns an error, the parsing process will terminate. Read more
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fn complete(&mut self) -> Result<Option<char>, Self::LabelError>

Signals that the label is complete because a double '-' was reached. Read more

Auto Trait Implementations§

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impl<F> Freeze for LabelFn<F>
where F: Freeze,

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impl<F> RefUnwindSafe for LabelFn<F>
where F: RefUnwindSafe,

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impl<F> Send for LabelFn<F>
where F: Send,

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impl<F> Sync for LabelFn<F>
where F: Sync,

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impl<F> Unpin for LabelFn<F>
where F: Unpin,

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impl<F> UnwindSafe for LabelFn<F>
where F: 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<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.