# Struct std::collections::vec_deque::VecDeque 1.0.0[−][src]

    pub struct VecDeque<T> { /* fields omitted */ }

A double-ended queue implemented with a growable ring buffer.

The "default" usage of this type as a queue is to use `push_back` to add to the queue, and `pop_front` to remove from the queue. `extend` and `append` push onto the back in this manner, and iterating over `VecDeque` goes front to back.

## Methods

###

`impl<T> VecDeque<T>`

[src]

####

`pub fn new() -> VecDeque<T>`

[src]

Creates an empty `VecDeque`.

# Examples

    use std::collections::VecDeque;

    let vector: VecDeque<u32> = VecDeque::new();Run

####

`pub fn with_capacity(n: usize) -> VecDeque<T>`

[src]

Creates an empty `VecDeque` with space for at least `n` elements.

# Examples

    use std::collections::VecDeque;

    let vector: VecDeque<u32> = VecDeque::with_capacity(10);Run

####

`pub fn get(&self, index: usize) -> Option<&T>`

[src]

Retrieves an element in the `VecDeque` by index.

Element at index 0 is the front of the queue.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(3);
    buf.push_back(4);
    buf.push_back(5);
    assert_eq!(buf.get(1), Some(&4));Run

####

`pub fn get_mut(&mut self, index: usize) -> Option<&mut T>`

[src]

Retrieves an element in the `VecDeque` mutably by index.

Element at index 0 is the front of the queue.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(3);
    buf.push_back(4);
    buf.push_back(5);
    if let Some(elem) = buf.get_mut(1) {
        *elem = 7;
    }

    assert_eq!(buf[1], 7);Run

####

`pub fn swap(&mut self, i: usize, j: usize)`

[src]

Swaps elements at indices `i` and `j`.

`i` and `j` may be equal.

Element at index 0 is the front of the queue.

# Panics

Panics if either index is out of bounds.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(3);
    buf.push_back(4);
    buf.push_back(5);
    assert_eq!(buf, [3, 4, 5]);
    buf.swap(0, 2);
    assert_eq!(buf, [5, 4, 3]);Run

####

`pub fn capacity(&self) -> usize`

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Returns the number of elements the `VecDeque` can hold without reallocating.

# Examples

    use std::collections::VecDeque;

    let buf: VecDeque<i32> = VecDeque::with_capacity(10);
    assert!(buf.capacity() >= 10);Run

####

`pub fn reserve_exact(&mut self, additional: usize)`

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Reserves the minimum capacity for exactly `additional` more elements to be inserted in the given `VecDeque`. Does nothing if the capacity is already sufficient.

Note that the allocator may give the collection more space than it requests. Therefore capacity can not be relied upon to be precisely minimal. Prefer `reserve` if future insertions are expected.

# Panics

Panics if the new capacity overflows `usize`.

# Examples

    use std::collections::VecDeque;

    let mut buf: VecDeque<i32> = vec![1].into_iter().collect();
    buf.reserve_exact(10);
    assert!(buf.capacity() >= 11);Run

####

`pub fn reserve(&mut self, additional: usize)`

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Reserves capacity for at least `additional` more elements to be inserted in the given `VecDeque`. The collection may reserve more space to avoid frequent reallocations.

# Panics

Panics if the new capacity overflows `usize`.

# Examples

    use std::collections::VecDeque;

    let mut buf: VecDeque<i32> = vec![1].into_iter().collect();
    buf.reserve(10);
    assert!(buf.capacity() >= 11);Run

####

`pub fn try_reserve_exact( &mut self, additional: usize ) -> Result<(), CollectionAllocErr>`

[src]

🔬 This is a nightly-only experimental API. (`try_reserve` #48043)

new API

Tries to reserves the minimum capacity for exactly `additional` more elements to be inserted in the given `VecDeque<T>`. After calling `reserve_exact`, capacity will be greater than or equal to `self.len() + additional`. Does nothing if the capacity is already sufficient.

Note that the allocator may give the collection more space than it requests. Therefore capacity can not be relied upon to be precisely minimal. Prefer `reserve` if future insertions are expected.

# Errors

If the capacity overflows, or the allocator reports a failure, then an error is returned.

# Examples

    #![feature(try_reserve)]
    use std::collections::CollectionAllocErr;
    use std::collections::VecDeque;

    fn process_data(data: &[u32]) -> Result<VecDeque<u32>, CollectionAllocErr> {
        let mut output = VecDeque::new();

        // Pre-reserve the memory, exiting if we can't
        output.try_reserve_exact(data.len())?;

        // Now we know this can't OOM in the middle of our complex work
        output.extend(data.iter().map(|&val| {
            val * 2 + 5 // very complicated
        }));

        Ok(output)
    }Run

####

`pub fn try_reserve( &mut self, additional: usize ) -> Result<(), CollectionAllocErr>`

[src]

🔬 This is a nightly-only experimental API. (`try_reserve` #48043)

new API

Tries to reserve capacity for at least `additional` more elements to be inserted in the given `VecDeque<T>`. The collection may reserve more space to avoid frequent reallocations. After calling `reserve`, capacity will be greater than or equal to `self.len() + additional`. Does nothing if capacity is already sufficient.

# Errors

If the capacity overflows, or the allocator reports a failure, then an error is returned.

# Examples

    #![feature(try_reserve)]
    use std::collections::CollectionAllocErr;
    use std::collections::VecDeque;

    fn process_data(data: &[u32]) -> Result<VecDeque<u32>, CollectionAllocErr> {
        let mut output = VecDeque::new();

        // Pre-reserve the memory, exiting if we can't
        output.try_reserve(data.len())?;

        // Now we know this can't OOM in the middle of our complex work
        output.extend(data.iter().map(|&val| {
            val * 2 + 5 // very complicated
        }));

        Ok(output)
    }Run

####

`pub fn shrink_to_fit(&mut self)`

1.5.0
[src]

Shrinks the capacity of the `VecDeque` as much as possible.

It will drop down as close as possible to the length but the allocator may still inform the `VecDeque` that there is space for a few more elements.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::with_capacity(15);
    buf.extend(0..4);
    assert_eq!(buf.capacity(), 15);
    buf.shrink_to_fit();
    assert!(buf.capacity() >= 4);Run

####

`pub fn shrink_to(&mut self, min_capacity: usize)`

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🔬 This is a nightly-only experimental API. (`shrink_to`)

new API

Shrinks the capacity of the `VecDeque` with a lower bound.

The capacity will remain at least as large as both the length and the supplied value.

Panics if the current capacity is smaller than the supplied minimum capacity.

# Examples

    #![feature(shrink_to)]
    use std::collections::VecDeque;

    let mut buf = VecDeque::with_capacity(15);
    buf.extend(0..4);
    assert_eq!(buf.capacity(), 15);
    buf.shrink_to(6);
    assert!(buf.capacity() >= 6);
    buf.shrink_to(0);
    assert!(buf.capacity() >= 4);Run

####

`pub fn truncate(&mut self, len: usize)`

1.16.0
[src]

Shortens the `VecDeque`, dropping excess elements from the back.

If `len` is greater than the `VecDeque`'s current length, this has no effect.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(5);
    buf.push_back(10);
    buf.push_back(15);
    assert_eq!(buf, [5, 10, 15]);
    buf.truncate(1);
    assert_eq!(buf, [5]);Run

####
ⓘImportant traits for Iter<'a, T>

### Important traits for Iter<'a, T>

`impl<'a, T> Iterator for Iter<'a, T> type Item = &'a T;`

`pub fn iter(&self) -> Iter<T>`

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Returns a front-to-back iterator.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(5);
    buf.push_back(3);
    buf.push_back(4);
    let b: &[_] = &[&5, &3, &4];
    let c: Vec<&i32> = buf.iter().collect();
    assert_eq!(&c[..], b);Run

####
ⓘImportant traits for IterMut<'a, T>

### Important traits for IterMut<'a, T>

`impl<'a, T> Iterator for IterMut<'a, T> type Item = &'a mut T;`

`pub fn iter_mut(&mut self) -> IterMut<T>`

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Returns a front-to-back iterator that returns mutable references.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(5);
    buf.push_back(3);
    buf.push_back(4);
    for num in buf.iter_mut() {
        *num = *num - 2;
    }
    let b: &[_] = &[&mut 3, &mut 1, &mut 2];
    assert_eq!(&buf.iter_mut().collect::<Vec<&mut i32>>()[..], b);Run

####

`pub fn as_slices(&self) -> (&[T], &[T])`

1.5.0
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Returns a pair of slices which contain, in order, the contents of the `VecDeque`.

# Examples

    use std::collections::VecDeque;

    let mut vector = VecDeque::new();

    vector.push_back(0);
    vector.push_back(1);
    vector.push_back(2);

    assert_eq!(vector.as_slices(), (&[0, 1, 2][..], &[][..]));

    vector.push_front(10);
    vector.push_front(9);

    assert_eq!(vector.as_slices(), (&[9, 10][..], &[0, 1, 2][..]));Run

####

`pub fn as_mut_slices(&mut self) -> (&mut [T], &mut [T])`

1.5.0
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Returns a pair of slices which contain, in order, the contents of the `VecDeque`.

# Examples

    use std::collections::VecDeque;

    let mut vector = VecDeque::new();

    vector.push_back(0);
    vector.push_back(1);

    vector.push_front(10);
    vector.push_front(9);

    vector.as_mut_slices().0[0] = 42;
    vector.as_mut_slices().1[0] = 24;
    assert_eq!(vector.as_slices(), (&[42, 10][..], &[24, 1][..]));Run

####

`pub fn len(&self) -> usize`

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Returns the number of elements in the `VecDeque`.

# Examples

    use std::collections::VecDeque;

    let mut v = VecDeque::new();
    assert_eq!(v.len(), 0);
    v.push_back(1);
    assert_eq!(v.len(), 1);Run

####

`pub fn is_empty(&self) -> bool`

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Returns `true` if the `VecDeque` is empty.

# Examples

    use std::collections::VecDeque;

    let mut v = VecDeque::new();
    assert!(v.is_empty());
    v.push_front(1);
    assert!(!v.is_empty());Run

####
ⓘImportant traits for Drain<'a, T>

### Important traits for Drain<'a, T>

`impl<'a, T> Iterator for Drain<'a, T> where
T: 'a, type Item = T;`

`pub fn drain<R>(&mut self, range: R) -> Drain<T> where R: RangeBounds<usize>,`

1.6.0
[src]

Create a draining iterator that removes the specified range in the `VecDeque` and yields the removed items.

Note 1: The element range is removed even if the iterator is not consumed until the end.

Note 2: It is unspecified how many elements are removed from the deque, if the `Drain` value is not dropped, but the borrow it holds expires (eg. due to mem::forget).

# Panics

Panics if the starting point is greater than the end point or if the end point is greater than the length of the vector.

# Examples

    use std::collections::VecDeque;

    let mut v: VecDeque<_> = vec![1, 2, 3].into_iter().collect();
    let drained = v.drain(2..).collect::<VecDeque<_>>();
    assert_eq!(drained, [3]);
    assert_eq!(v, [1, 2]);

    // A full range clears all contents
    v.drain(..);
    assert!(v.is_empty());Run

####

`pub fn clear(&mut self)`

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Clears the `VecDeque`, removing all values.

# Examples

    use std::collections::VecDeque;

    let mut v = VecDeque::new();
    v.push_back(1);
    v.clear();
    assert!(v.is_empty());Run

####

`pub fn contains(&self, x: &T) -> bool where T: PartialEq<T>,`

1.12.0
[src]

Returns `true` if the `VecDeque` contains an element equal to the given value.

# Examples

    use std::collections::VecDeque;

    let mut vector: VecDeque<u32> = VecDeque::new();

    vector.push_back(0);
    vector.push_back(1);

    assert_eq!(vector.contains(&1), true);
    assert_eq!(vector.contains(&10), false);Run

####

`pub fn front(&self) -> Option<&T>`

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Provides a reference to the front element, or `None` if the `VecDeque` is empty.

# Examples

    use std::collections::VecDeque;

    let mut d = VecDeque::new();
    assert_eq!(d.front(), None);

    d.push_back(1);
    d.push_back(2);
    assert_eq!(d.front(), Some(&1));Run

####

`pub fn front_mut(&mut self) -> Option<&mut T>`

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Provides a mutable reference to the front element, or `None` if the `VecDeque` is empty.

# Examples

    use std::collections::VecDeque;

    let mut d = VecDeque::new();
    assert_eq!(d.front_mut(), None);

    d.push_back(1);
    d.push_back(2);
    match d.front_mut() {
        Some(x) => *x = 9,
        None => (),
    }
    assert_eq!(d.front(), Some(&9));Run

####

`pub fn back(&self) -> Option<&T>`

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Provides a reference to the back element, or `None` if the `VecDeque` is empty.

# Examples

    use std::collections::VecDeque;

    let mut d = VecDeque::new();
    assert_eq!(d.back(), None);

    d.push_back(1);
    d.push_back(2);
    assert_eq!(d.back(), Some(&2));Run

####

`pub fn back_mut(&mut self) -> Option<&mut T>`

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Provides a mutable reference to the back element, or `None` if the `VecDeque` is empty.

# Examples

    use std::collections::VecDeque;

    let mut d = VecDeque::new();
    assert_eq!(d.back(), None);

    d.push_back(1);
    d.push_back(2);
    match d.back_mut() {
        Some(x) => *x = 9,
        None => (),
    }
    assert_eq!(d.back(), Some(&9));Run

####

`pub fn pop_front(&mut self) -> Option<T>`

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Removes the first element and returns it, or `None` if the `VecDeque` is empty.

# Examples

    use std::collections::VecDeque;

    let mut d = VecDeque::new();
    d.push_back(1);
    d.push_back(2);

    assert_eq!(d.pop_front(), Some(1));
    assert_eq!(d.pop_front(), Some(2));
    assert_eq!(d.pop_front(), None);Run

####

`pub fn push_front(&mut self, value: T)`

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Prepends an element to the `VecDeque`.

# Examples

    use std::collections::VecDeque;

    let mut d = VecDeque::new();
    d.push_front(1);
    d.push_front(2);
    assert_eq!(d.front(), Some(&2));Run

####

`pub fn push_back(&mut self, value: T)`

[src]

Appends an element to the back of the `VecDeque`.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(1);
    buf.push_back(3);
    assert_eq!(3, *buf.back().unwrap());Run

####

`pub fn pop_back(&mut self) -> Option<T>`

[src]

Removes the last element from the `VecDeque` and returns it, or `None` if it is empty.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    assert_eq!(buf.pop_back(), None);
    buf.push_back(1);
    buf.push_back(3);
    assert_eq!(buf.pop_back(), Some(3));Run

####

`pub fn swap_remove_back(&mut self, index: usize) -> Option<T>`

1.5.0
[src]

Removes an element from anywhere in the `VecDeque` and returns it, replacing it with the last element.

This does not preserve ordering, but is O(1).

Returns `None` if `index` is out of bounds.

Element at index 0 is the front of the queue.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    assert_eq!(buf.swap_remove_back(0), None);
    buf.push_back(1);
    buf.push_back(2);
    buf.push_back(3);
    assert_eq!(buf, [1, 2, 3]);

    assert_eq!(buf.swap_remove_back(0), Some(1));
    assert_eq!(buf, [3, 2]);Run

####

`pub fn swap_remove_front(&mut self, index: usize) -> Option<T>`

1.5.0
[src]

Removes an element from anywhere in the `VecDeque` and returns it, replacing it with the first element.

This does not preserve ordering, but is O(1).

Returns `None` if `index` is out of bounds.

Element at index 0 is the front of the queue.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    assert_eq!(buf.swap_remove_front(0), None);
    buf.push_back(1);
    buf.push_back(2);
    buf.push_back(3);
    assert_eq!(buf, [1, 2, 3]);

    assert_eq!(buf.swap_remove_front(2), Some(3));
    assert_eq!(buf, [2, 1]);Run

####

`pub fn insert(&mut self, index: usize, value: T)`

1.5.0
[src]

Inserts an element at `index` within the `VecDeque`, shifting all elements with indices greater than or equal to `index` towards the back.

Element at index 0 is the front of the queue.

# Panics

Panics if `index` is greater than `VecDeque`'s length

# Examples

    use std::collections::VecDeque;

    let mut vec_deque = VecDeque::new();
    vec_deque.push_back('a');
    vec_deque.push_back('b');
    vec_deque.push_back('c');
    assert_eq!(vec_deque, &['a', 'b', 'c']);

    vec_deque.insert(1, 'd');
    assert_eq!(vec_deque, &['a', 'd', 'b', 'c']);Run

####

`pub fn remove(&mut self, index: usize) -> Option<T>`

[src]

Removes and returns the element at `index` from the `VecDeque`. Whichever end is closer to the removal point will be moved to make room, and all the affected elements will be moved to new positions. Returns `None` if `index` is out of bounds.

Element at index 0 is the front of the queue.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(1);
    buf.push_back(2);
    buf.push_back(3);
    assert_eq!(buf, [1, 2, 3]);

    assert_eq!(buf.remove(1), Some(2));
    assert_eq!(buf, [1, 3]);Run

####

`pub fn split_off(&mut self, at: usize) -> VecDeque<T>`

1.4.0
[src]

Splits the `VecDeque` into two at the given index.

Returns a newly allocated `VecDeque`. `self` contains elements `[0, at)`, and the returned `VecDeque` contains elements `[at, len)`.

Note that the capacity of `self` does not change.

Element at index 0 is the front of the queue.

# Panics

Panics if `at > len`.

# Examples

    use std::collections::VecDeque;

    let mut buf: VecDeque<_> = vec![1,2,3].into_iter().collect();
    let buf2 = buf.split_off(1);
    assert_eq!(buf, [1]);
    assert_eq!(buf2, [2, 3]);Run

####

`pub fn append(&mut self, other: &mut VecDeque<T>)`

1.4.0
[src]

Moves all the elements of `other` into `Self`, leaving `other` empty.

# Panics

Panics if the new number of elements in self overflows a `usize`.

# Examples

    use std::collections::VecDeque;

    let mut buf: VecDeque<_> = vec![1, 2].into_iter().collect();
    let mut buf2: VecDeque<_> = vec![3, 4].into_iter().collect();
    buf.append(&mut buf2);
    assert_eq!(buf, [1, 2, 3, 4]);
    assert_eq!(buf2, []);Run

####

`pub fn retain<F>(&mut self, f: F) where F: FnMut(&T) -> bool,`

1.4.0
[src]

Retains only the elements specified by the predicate.

In other words, remove all elements `e` such that `f(&e)` returns false. This method operates in place and preserves the order of the retained elements.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.extend(1..5);
    buf.retain(|&x| x%2 == 0);
    assert_eq!(buf, [2, 4]);Run

###

`impl<T> VecDeque<T> where T: Clone,`

[src]

####

`pub fn resize(&mut self, new_len: usize, value: T)`

1.16.0
[src]

Modifies the `VecDeque` in-place so that `len()` is equal to new_len, either by removing excess elements from the back or by appending clones of `value` to the back.

# Examples

    use std::collections::VecDeque;

    let mut buf = VecDeque::new();
    buf.push_back(5);
    buf.push_back(10);
    buf.push_back(15);
    assert_eq!(buf, [5, 10, 15]);

    buf.resize(2, 0);
    assert_eq!(buf, [5, 10]);

    buf.resize(5, 20);
    assert_eq!(buf, [5, 10, 20, 20, 20]);Run

## Trait Implementations

###

`impl<A> Eq for VecDeque<A> where A: Eq,`

[src]

###

`impl<A> FromIterator<A> for VecDeque<A>`

[src]

####

`fn from_iter<T>(iter: T) -> VecDeque<A> where T: IntoIterator<Item = A>,`

[src]

Creates a value from an iterator. Read more

###

`impl<A> Ord for VecDeque<A> where A: Ord,`

[src]

####

`fn cmp(&self, other: &VecDeque<A>) -> Ordering`

[src]

This method returns an `Ordering` between `self` and `other`. Read more

####

`fn max(self, other: Self) -> Self`

1.21.0
[src]

Compares and returns the maximum of two values. Read more

####

`fn min(self, other: Self) -> Self`

1.21.0
[src]

Compares and returns the minimum of two values. Read more

###

`impl<'a, T> IntoIterator for &'a mut VecDeque<T>`

[src]

#### `type Item = &'a mut T`

The type of the elements being iterated over.

#### `type IntoIter = IterMut<'a, T>`

Which kind of iterator are we turning this into?

####
ⓘImportant traits for IterMut<'a, T>

### Important traits for IterMut<'a, T>

`impl<'a, T> Iterator for IterMut<'a, T> type Item = &'a mut T;`

`fn into_iter(self) -> IterMut<'a, T>`

[src]

Creates an iterator from a value. Read more

###

`impl<'a, T> IntoIterator for &'a VecDeque<T>`

[src]

#### `type Item = &'a T`

The type of the elements being iterated over.

#### `type IntoIter = Iter<'a, T>`

Which kind of iterator are we turning this into?

####
ⓘImportant traits for Iter<'a, T>

### Important traits for Iter<'a, T>

`impl<'a, T> Iterator for Iter<'a, T> type Item = &'a T;`

`fn into_iter(self) -> Iter<'a, T>`

[src]

Creates an iterator from a value. Read more

###

`impl<T> IntoIterator for VecDeque<T>`

[src]

#### `type Item = T`

The type of the elements being iterated over.

#### `type IntoIter = IntoIter<T>`

Which kind of iterator are we turning this into?

####
ⓘImportant traits for IntoIter<T>

### Important traits for IntoIter<T>

`impl<T> Iterator for IntoIter<T> type Item = T;`

`fn into_iter(self) -> IntoIter<T>`

[src]

Consumes the `VecDeque` into a front-to-back iterator yielding elements by value.

###

`impl<T> Clone for VecDeque<T> where T: Clone,`

[src]

####

`fn clone(&self) -> VecDeque<T>`

[src]

Returns a copy of the value. Read more

####

`fn clone_from(&mut self, source: &Self)`

[src]

Performs copy-assignment from `source`. Read more

###

`impl<T> Debug for VecDeque<T> where T: Debug,`

[src]

####

`fn fmt(&self, f: &mut Formatter) -> Result<(), Error>`

[src]

Formats the value using the given formatter. Read more

###

`impl<'a, T> Extend<&'a T> for VecDeque<T> where T: 'a + Copy,`

1.2.0
[src]

####

`fn extend<I>(&mut self, iter: I) where I: IntoIterator<Item = &'a T>,`

[src]

Extends a collection with the contents of an iterator. Read more

###

`impl<A> Extend<A> for VecDeque<A>`

[src]

####

`fn extend<T>(&mut self, iter: T) where T: IntoIterator<Item = A>,`

[src]

Extends a collection with the contents of an iterator. Read more

###

`impl<T> Drop for VecDeque<T>`

[src]

####

`fn drop(&mut self)`

[src]

Executes the destructor for this type. Read more

###

`impl<A> Index<usize> for VecDeque<A>`

[src]

#### `type Output = A`

The returned type after indexing.

####
ⓘImportant traits for &'a mut I

### Important traits for &'a mut I

`impl<'a, I> Iterator for &'a mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'a, R: Read + ?Sized> Read for &'a mut Rimpl<'a, W: Write + ?Sized> Write for &'a mut W`

`fn index(&self, index: usize) -> &A`

[src]

Performs the indexing (`container[index]`) operation.

###

`impl<A> IndexMut<usize> for VecDeque<A>`

[src]

####
ⓘImportant traits for &'a mut I

### Important traits for &'a mut I

`impl<'a, I> Iterator for &'a mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'a, R: Read + ?Sized> Read for &'a mut Rimpl<'a, W: Write + ?Sized> Write for &'a mut W`

`fn index_mut(&mut self, index: usize) -> &mut A`

[src]

Performs the mutable indexing (`container[index]`) operation.

###

`impl<T> Default for VecDeque<T>`

[src]

####

`fn default() -> VecDeque<T>`

[src]

Creates an empty `VecDeque<T>`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 11]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 11]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 16]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 16]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 26]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 26]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 18]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 18]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 4]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 4]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 30]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 30]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 21]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 21]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 31]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 31]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 25]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 25]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 7]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 7]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 20]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 20]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 21]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 21]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 18]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 18]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 5]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 5]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 19]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 19]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 15]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 15]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 23]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 23]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 6]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 6]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 11]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 11]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 19]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 19]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 13]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 13]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 13]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 13]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 5]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 5]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 1]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 1]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 30]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 30]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 32]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 32]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 29]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 29]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 25]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 25]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 5]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 5]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 14]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 14]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 17]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 17]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 24]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 24]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 21]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 21]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 9]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 9]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 28]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 28]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 10]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 10]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 24]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 24]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 19]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 19]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 12]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 12]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 12]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 12]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 14]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 14]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 27]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 27]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 3]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 3]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 32]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 32]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 12]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 12]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 13]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 13]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 6]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 6]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 32]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 32]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 30]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 30]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 1]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 1]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 22]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 22]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 8]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 8]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 24]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 24]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 2]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 2]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 4]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 4]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<Vec<B>> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &Vec<B>) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 2]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 2]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 2]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 2]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 7]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 7]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 3]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 3]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 9]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 9]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 0]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 0]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 9]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 9]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 15]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 15]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 18]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 18]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 6]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 6]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 27]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 27]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 25]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 25]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 17]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 17]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 28]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 28]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 11]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 11]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 10]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 10]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 8]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 8]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 20]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 20]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 0]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 0]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 15]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 15]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 26]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 26]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 4]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 4]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 14]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 14]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 22]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 22]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 29]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 29]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 31]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 31]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 26]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 26]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 0]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 0]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 31]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 31]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 16]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 16]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 8]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 8]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 10]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 10]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 22]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 22]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 28]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 28]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 23]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 23]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<A> PartialEq<VecDeque<A>> for VecDeque<A> where A: PartialEq<A>,`

[src]

####

`fn eq(&self, other: &VecDeque<A>) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 3]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 3]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 1]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 1]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 27]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 27]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 16]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 16]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 17]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 17]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<[B; 23]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &[B; 23]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b [B; 29]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b [B; 29]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 20]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 20]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<'a, 'b, A, B> PartialEq<&'b mut [B; 7]> for VecDeque<A> where A: PartialEq<B>,`

1.17.0
[src]

####

`fn eq(&self, other: &&'b mut [B; 7]) -> bool`

[src]

This method tests for `self` and `other` values to be equal, and is used by `==`. Read more

####

`#[must_use] fn ne(&self, other: &Rhs) -> bool`

[src]

This method tests for `!=`.

###

`impl<T> From<VecDeque<T>> for Vec<T>`

1.10.0
[src]

####
ⓘImportant traits for Vec<u8>

### Important traits for Vec<u8>

`impl Write for Vec<u8>`

`fn from(other: VecDeque<T>) -> Vec<T>`

[src]

Performs the conversion.

###

`impl<T> From<Vec<T>> for VecDeque<T>`

1.10.0
[src]

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`fn from(other: Vec<T>) -> VecDeque<T>`

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Performs the conversion.

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`impl<A> Hash for VecDeque<A> where A: Hash,`

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`fn hash<H>(&self, state: &mut H) where H: Hasher,`

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Feeds this value into the given [`Hasher`]. Read more

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`fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,`

1.3.0
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Feeds a slice of this type into the given [`Hasher`]. Read more

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`impl<A> PartialOrd<VecDeque<A>> for VecDeque<A> where A: PartialOrd<A>,`

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####

`fn partial_cmp(&self, other: &VecDeque<A>) -> Option<Ordering>`

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This method returns an ordering between `self` and `other` values if one exists. Read more

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`#[must_use] fn lt(&self, other: &Rhs) -> bool`

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This method tests less than (for `self` and `other`) and is used by the `<` operator. Read more

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`#[must_use] fn le(&self, other: &Rhs) -> bool`

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This method tests less than or equal to (for `self` and `other`) and is used by the `<=` operator. Read more

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`#[must_use] fn gt(&self, other: &Rhs) -> bool`

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This method tests greater than (for `self` and `other`) and is used by the `>` operator. Read more

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`#[must_use] fn ge(&self, other: &Rhs) -> bool`

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This method tests greater than or equal to (for `self` and `other`) and is used by the `>=` operator. Read more

## Auto Trait Implementations

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`impl<T> Send for VecDeque<T> where T: Send,`

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`impl<T> Sync for VecDeque<T> where T: Sync,`

## Blanket Implementations

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`impl<T, U> TryFrom for T where T: From<U>,`

[src]

#### `type Error = !`

🔬 This is a nightly-only experimental API. (`try_from` #33417)

The type returned in the event of a conversion error.

####

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

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🔬 This is a nightly-only experimental API. (`try_from` #33417)

Performs the conversion.

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`impl<T> From for T`

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####

`fn from(t: T) -> T`

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Performs the conversion.

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

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#### `type Item = <I as Iterator>::Item`

The type of the elements being iterated over.

#### `type IntoIter = I`

Which kind of iterator are we turning this into?

####

`fn into_iter(self) -> I`

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Creates an iterator from a value. Read more

###

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

[src]

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

🔬 This is a nightly-only experimental API. (`try_from` #33417)

The type returned in the event of a conversion error.

####

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

[src]

🔬 This is a nightly-only experimental API. (`try_from` #33417)

Performs the conversion.

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

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####

`fn into(self) -> U`

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Performs the conversion.

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

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####
ⓘImportant traits for &'a mut I

### Important traits for &'a mut I

`impl<'a, I> Iterator for &'a mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'a, R: Read + ?Sized> Read for &'a mut Rimpl<'a, W: Write + ?Sized> Write for &'a mut W`

`fn borrow(&self) -> &T`

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Immutably borrows from an owned value. Read more

###

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

[src]

####
ⓘImportant traits for &'a mut I

### Important traits for &'a mut I

`impl<'a, I> Iterator for &'a mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'a, R: Read + ?Sized> Read for &'a mut Rimpl<'a, W: Write + ?Sized> Write for &'a mut W`

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

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Mutably borrows from an owned value. Read more

###

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

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####

`fn get_type_id(&self) -> TypeId`

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🔬 This is a nightly-only experimental API. (`get_type_id` #27745)

this method will likely be replaced by an associated static

Gets the `TypeId` of `self`. Read more

###

`impl<T> ToOwned for T where T: Clone,`

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#### `type Owned = T`

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`fn to_owned(&self) -> T`

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Creates owned data from borrowed data, usually by cloning. Read more

####

`fn clone_into(&self, target: &mut T)`

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🔬 This is a nightly-only experimental API. (`toowned_clone_into` #41263)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

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