Struct Drain

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pub struct Drain<'a, K, A = Global>where
    A: Allocator,
{ /* private fields */ }

Expand description

A draining iterator over the items of a HashSet.

This struct is created by the drain method on HashSet. See its documentation for more.

Auto Trait Implementations§

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impl<'a, K, A> Freeze for Drain<'a, K, A>

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impl<'a, K, A> RefUnwindSafe for Drain<'a, K, A>
where A: RefUnwindSafe, K: RefUnwindSafe,

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impl<'a, K, A> UnwindSafe for Drain<'a, K, A>
where A: RefUnwindSafe, K: RefUnwindSafe,

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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into 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 IntoIterator for I
where I: Iterator,

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type Item = ::Item

The type of the elements being iterated over.

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type IntoIter = I

Which kind of iterator are we turning this into?

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fn into_iter(self) -> I

Creates an iterator from a value. Read more

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impl IteratorExt for I
where I: Iterator,

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fn try_collect(self) -> Result<B, Error>
where Self: Sized, B: TryFromIteratorIn<Self::Item, Global>,

Transforms an iterator into a collection using fallible allocations.

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fn try_collect_in<B, A>(self, alloc: A) -> Result<B, Error>
where Self: Sized, B: TryFromIteratorIn<Self::Item, A>, A: Allocator,

Transforms an iterator into a collection using fallible allocations.

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fn try_join<J, S>(self, sep: S) -> Result<J, Error>
where Self: Sized, J: TryJoin<S, Self::Item, Global>,

Try to join the given value. Read more

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fn try_join_in<J, S, A>(self, sep: S, alloc: A) -> Result<J, Error>
where Self: Sized, J: TryJoin<S, Self::Item, A>, A: Allocator,

Try to join the given value.

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fn try_cloned<'a, T>(self) -> TryCloned<Self> ⓘ
where Self: Sized + Iterator<Item = &'a T>, T: 'a + TryClone,

Creates an iterator which try_clones all of its elements. Read more

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impl IteratorRandom for I
where I: Iterator,

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fn choose<R>(self, rng: &mut R) -> Option<Self::Item>
where R: Rng + ?Sized,

Uniformly sample one element Read more

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fn choose_stable<R>(self, rng: &mut R) -> Option<Self::Item>
where R: Rng + ?Sized,

Uniformly sample one element (stable) Read more

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fn choose_multiple_fill<R>(self, rng: &mut R, buf: &mut [Self::Item]) -> usize
where R: Rng + ?Sized,

Uniformly sample amount distinct elements into a buffer Read more

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fn choose_multiple<R>(self, rng: &mut R, amount: usize) -> Vec<Self::Item>
where R: Rng + ?Sized,

Uniformly sample amount distinct elements into a Vec Read more

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impl<T> Same for T

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type Output = T

Should always be Self

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impl<T, U> TryFrom 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>::Error>

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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Drain

Struct Drain Copy item path

Auto Trait Implementations§

impl<'a, K, A> Freeze for Drain<'a, K, A>

impl<'a, K, A> RefUnwindSafe for Drain<'a, K, A>where A: RefUnwindSafe, K: RefUnwindSafe,

impl<'a, K, A> Send for Drain<'a, K, A>where A: Send, K: Send,

impl<'a, K, A> Sync for Drain<'a, K, A>where A: Sync, K: Sync,

impl<'a, K, A> Unpin for Drain<'a, K, A>

impl<'a, K, A> UnwindSafe for Drain<'a, K, A>where A: RefUnwindSafe, K: RefUnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<I> IntoIterator for Iwhere I: Iterator,

type Item = <I as Iterator>::Item

type IntoIter = I

fn into_iter(self) -> I

impl<I> IteratorExt for Iwhere I: Iterator,

fn try_collect<B>(self) -> Result<B, Error>where Self: Sized, B: TryFromIteratorIn<Self::Item, Global>,

fn try_collect_in<B, A>(self, alloc: A) -> Result<B, Error>where Self: Sized, B: TryFromIteratorIn<Self::Item, A>, A: Allocator,

fn try_join<J, S>(self, sep: S) -> Result<J, Error>where Self: Sized, J: TryJoin<S, Self::Item, Global>,

fn try_join_in<J, S, A>(self, sep: S, alloc: A) -> Result<J, Error>where Self: Sized, J: TryJoin<S, Self::Item, A>, A: Allocator,

fn try_cloned<'a, T>(self) -> TryCloned<Self> ⓘwhere Self: Sized + Iterator<Item = &'a T>, T: 'a + TryClone,

impl<I> IteratorRandom for Iwhere I: Iterator,

fn choose<R>(self, rng: &mut R) -> Option<Self::Item>where R: Rng + ?Sized,

fn choose_stable<R>(self, rng: &mut R) -> Option<Self::Item>where R: Rng + ?Sized,

fn choose_multiple_fill<R>(self, rng: &mut R, buf: &mut [Self::Item]) -> usizewhere R: Rng + ?Sized,

fn choose_multiple<R>(self, rng: &mut R, amount: usize) -> Vec<Self::Item>where R: Rng + ?Sized,

impl<T> Same for T

type Output = T

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

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<T> ErasedDestructor for Twhere T: 'static,

Struct Drain

impl<'a, K, A> RefUnwindSafe for Drain<'a, K, A>
where A: RefUnwindSafe, K: RefUnwindSafe,

impl<'a, K, A> Send for Drain<'a, K, A>
where A: Send, K: Send,

impl<'a, K, A> Sync for Drain<'a, K, A>
where A: Sync, K: Sync,

impl<'a, K, A> UnwindSafe for Drain<'a, K, A>
where A: RefUnwindSafe, K: RefUnwindSafe,

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

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

impl<I> IntoIterator for I
where I: Iterator,

impl<I> IteratorExt for I
where I: Iterator,

fn try_collect<B>(self) -> Result<B, Error>
where Self: Sized, B: TryFromIteratorIn<Self::Item, Global>,

fn try_collect_in<B, A>(self, alloc: A) -> Result<B, Error>
where Self: Sized, B: TryFromIteratorIn<Self::Item, A>, A: Allocator,

fn try_join<J, S>(self, sep: S) -> Result<J, Error>
where Self: Sized, J: TryJoin<S, Self::Item, Global>,

fn try_join_in<J, S, A>(self, sep: S, alloc: A) -> Result<J, Error>
where Self: Sized, J: TryJoin<S, Self::Item, A>, A: Allocator,

fn try_cloned<'a, T>(self) -> TryCloned<Self> ⓘ
where Self: Sized + Iterator<Item = &'a T>, T: 'a + TryClone,

impl<I> IteratorRandom for I
where I: Iterator,

fn choose<R>(self, rng: &mut R) -> Option<Self::Item>
where R: Rng + ?Sized,

fn choose_stable<R>(self, rng: &mut R) -> Option<Self::Item>
where R: Rng + ?Sized,

fn choose_multiple_fill<R>(self, rng: &mut R, buf: &mut [Self::Item]) -> usize
where R: Rng + ?Sized,

fn choose_multiple<R>(self, rng: &mut R, amount: usize) -> Vec<Self::Item>
where R: Rng + ?Sized,

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

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

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

impl<T> ErasedDestructor for T
where T: 'static,