Struct fallible_streaming_iterator::Convert

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pub struct Convert<'a, I, T: 'a> { /* private fields */ }
Expand description

An iterator which wraps a normal Iterator.

Trait Implementations§

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impl<'a, I, T, E> DoubleEndedFallibleStreamingIterator for Convert<'a, I, T>
where I: DoubleEndedIterator<Item = Result<&'a T, E>>,

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fn advance_back(&mut self) -> Result<(), E>

Advances the state of the iterator to the next item from the end. Read more
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fn next_back(&mut self) -> Result<Option<&Self::Item>, Self::Error>

Advances the back of the iterator, returning the last element. Read more
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impl<'a, I, T, E> FallibleStreamingIterator for Convert<'a, I, T>
where I: Iterator<Item = Result<&'a T, E>>,

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type Item = T

The type being iterated over.
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type Error = E

The error type of iteration.
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fn advance(&mut self) -> Result<(), E>

Advances the iterator to the next position. Read more
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fn get(&self) -> Option<&T>

Returns the current element. Read more
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fn size_hint(&self) -> (usize, Option<usize>)

Returns bounds on the number of remaining elements in the iterator.
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fn next(&mut self) -> Result<Option<&Self::Item>, Self::Error>

Advances the iterator, returning the next element. Read more
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fn all<F>(&mut self, f: F) -> Result<bool, Self::Error>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Determines if all elements of the iterator satisfy a predicate.
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fn any<F>(&mut self, f: F) -> Result<bool, Self::Error>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Determines if any elements of the iterator satisfy a predicate.
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fn by_ref(&mut self) -> &mut Self
where Self: Sized,

Borrows an iterator, rather than consuming it. Read more
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fn count(self) -> Result<usize, Self::Error>
where Self: Sized,

Returns the number of remaining elements in the iterator.
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fn filter<F>(self, f: F) -> Filter<Self, F>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Returns an iterator which filters elements by a predicate.
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fn find<F>(&mut self, f: F) -> Result<Option<&Self::Item>, Self::Error>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Returns the first element of the iterator which satisfies a predicate.
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fn for_each<F>(self, f: F) -> Result<(), Self::Error>
where Self: Sized, F: FnMut(&Self::Item),

Calls a closure on each element of an iterator.
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fn fuse(self) -> Fuse<Self>
where Self: Sized,

Returns an iterator which is well-behaved at the beginning and end of iteration.
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fn map<F, B>(self, f: F) -> Map<Self, F, B>
where Self: Sized, F: FnMut(&Self::Item) -> B,

Returns an iterator which applies a transform to elements.
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fn map_ref<F, B: ?Sized>(self, f: F) -> MapRef<Self, F>
where Self: Sized, F: Fn(&Self::Item) -> &B,

Returns an iterator which applies a transform to elements. Read more
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fn map_err<F, B>(self, f: F) -> MapErr<Self, F>
where Self: Sized, F: Fn(Self::Error) -> B,

Returns an iterator that applies a transform to errors.
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fn nth(&mut self, n: usize) -> Result<Option<&Self::Item>, Self::Error>

Returns the nth element of the iterator.
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fn position<F>(&mut self, f: F) -> Result<Option<usize>, Self::Error>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Returns the position of the first element matching a predicate.
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fn skip(self, n: usize) -> Skip<Self>
where Self: Sized,

Returns an iterator which skips the first n elements.
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fn skip_while<F>(self, f: F) -> SkipWhile<Self, F>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Returns an iterator which skips the first sequence of elements matching a predicate.
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fn take(self, n: usize) -> Take<Self>
where Self: Sized,

Returns an iterator which only returns the first n elements.
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fn take_while<F>(self, f: F) -> TakeWhile<Self, F>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Returns an iterator which only returns the first sequence of elements matching a predicate.

Auto Trait Implementations§

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impl<'a, I, T> Freeze for Convert<'a, I, T>
where I: Freeze,

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impl<'a, I, T> RefUnwindSafe for Convert<'a, I, T>

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impl<'a, I, T> Send for Convert<'a, I, T>
where I: Send, T: Sync,

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impl<'a, I, T> Sync for Convert<'a, I, T>
where I: Sync, T: Sync,

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impl<'a, I, T> Unpin for Convert<'a, I, T>
where I: Unpin,

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impl<'a, I, T> UnwindSafe for Convert<'a, I, T>

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.