1.0.0[−][src]Struct core::slice::Chunks
An iterator over a slice in (non-overlapping) chunks (chunk_size
elements at a
time), starting at the beginning of the slice.
When the slice len is not evenly divided by the chunk size, the last slice of the iteration will be the remainder.
Trait Implementations
impl<'_, T> Clone for Chunks<'_, T>
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fn clone(&self) -> Self
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl<'a, T> Iterator for Chunks<'a, T>
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type Item = &'a [T]
The type of the elements being iterated over.
fn next(&mut self) -> Option<&'a [T]>
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fn size_hint(&self) -> (usize, Option<usize>)
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fn count(self) -> usize
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fn nth(&mut self, n: usize) -> Option<Self::Item>
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fn last(self) -> Option<Self::Item>
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ⓘImportant traits for StepBy<I>fn step_by(self, step: usize) -> StepBy<Self> where
Self: Sized,
1.28.0[src]
Self: Sized,
Creates an iterator starting at the same point, but stepping by the given amount at each iteration. Read more
ⓘImportant traits for Chain<A, B>fn chain<U>(self, other: U) -> Chain<Self, U::IntoIter> where
Self: Sized,
U: IntoIterator<Item = Self::Item>,
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Self: Sized,
U: IntoIterator<Item = Self::Item>,
Takes two iterators and creates a new iterator over both in sequence. Read more
ⓘImportant traits for Zip<A, B>fn zip<U>(self, other: U) -> Zip<Self, U::IntoIter> where
Self: Sized,
U: IntoIterator,
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Self: Sized,
U: IntoIterator,
'Zips up' two iterators into a single iterator of pairs. Read more
ⓘImportant traits for Map<I, F>fn map<B, F>(self, f: F) -> Map<Self, F> where
Self: Sized,
F: FnMut(Self::Item) -> B,
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Self: Sized,
F: FnMut(Self::Item) -> B,
Takes a closure and creates an iterator which calls that closure on each element. Read more
fn for_each<F>(self, f: F) where
Self: Sized,
F: FnMut(Self::Item),
1.21.0[src]
Self: Sized,
F: FnMut(Self::Item),
Calls a closure on each element of an iterator. Read more
ⓘImportant traits for Filter<I, P>fn filter<P>(self, predicate: P) -> Filter<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,
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Self: Sized,
P: FnMut(&Self::Item) -> bool,
Creates an iterator which uses a closure to determine if an element should be yielded. Read more
ⓘImportant traits for FilterMap<I, F>fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F> where
Self: Sized,
F: FnMut(Self::Item) -> Option<B>,
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Self: Sized,
F: FnMut(Self::Item) -> Option<B>,
Creates an iterator that both filters and maps. Read more
ⓘImportant traits for Enumerate<I>fn enumerate(self) -> Enumerate<Self> where
Self: Sized,
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Self: Sized,
Creates an iterator which gives the current iteration count as well as the next value. Read more
ⓘImportant traits for Peekable<I>fn peekable(self) -> Peekable<Self> where
Self: Sized,
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Self: Sized,
Creates an iterator which can use peek
to look at the next element of the iterator without consuming it. Read more
ⓘImportant traits for SkipWhile<I, P>fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,
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Self: Sized,
P: FnMut(&Self::Item) -> bool,
Creates an iterator that [skip
]s elements based on a predicate. Read more
ⓘImportant traits for TakeWhile<I, P>fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,
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Self: Sized,
P: FnMut(&Self::Item) -> bool,
Creates an iterator that yields elements based on a predicate. Read more
ⓘImportant traits for Skip<I>fn skip(self, n: usize) -> Skip<Self> where
Self: Sized,
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Self: Sized,
Creates an iterator that skips the first n
elements. Read more
ⓘImportant traits for Take<I>fn take(self, n: usize) -> Take<Self> where
Self: Sized,
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Self: Sized,
Creates an iterator that yields its first n
elements. Read more
ⓘImportant traits for Scan<I, St, F>fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where
Self: Sized,
F: FnMut(&mut St, Self::Item) -> Option<B>,
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Self: Sized,
F: FnMut(&mut St, Self::Item) -> Option<B>,
An iterator adaptor similar to [fold
] that holds internal state and produces a new iterator. Read more
ⓘImportant traits for FlatMap<I, U, F>fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
Self: Sized,
U: IntoIterator,
F: FnMut(Self::Item) -> U,
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Self: Sized,
U: IntoIterator,
F: FnMut(Self::Item) -> U,
Creates an iterator that works like map, but flattens nested structure. Read more
ⓘImportant traits for Flatten<I>fn flatten(self) -> Flatten<Self> where
Self: Sized,
Self::Item: IntoIterator,
1.29.0[src]
Self: Sized,
Self::Item: IntoIterator,
Creates an iterator that flattens nested structure. Read more
ⓘImportant traits for Fuse<I>fn fuse(self) -> Fuse<Self> where
Self: Sized,
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Self: Sized,
Creates an iterator which ends after the first [None
]. Read more
ⓘImportant traits for Inspect<I, F>fn inspect<F>(self, f: F) -> Inspect<Self, F> where
Self: Sized,
F: FnMut(&Self::Item),
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Self: Sized,
F: FnMut(&Self::Item),
Do something with each element of an iterator, passing the value on. Read more
fn by_ref(&mut self) -> &mut Self where
Self: Sized,
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Self: Sized,
Borrows an iterator, rather than consuming it. Read more
#[must_use = "if you really need to exhaust the iterator, consider `.for_each(drop)` instead"]
fn collect<B: FromIterator<Self::Item>>(self) -> B where
Self: Sized,
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Self: Sized,
Transforms an iterator into a collection. Read more
fn partition<B, F>(self, f: F) -> (B, B) where
Self: Sized,
B: Default + Extend<Self::Item>,
F: FnMut(&Self::Item) -> bool,
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Self: Sized,
B: Default + Extend<Self::Item>,
F: FnMut(&Self::Item) -> bool,
Consumes an iterator, creating two collections from it. Read more
fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R where
Self: Sized,
F: FnMut(B, Self::Item) -> R,
R: Try<Ok = B>,
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Self: Sized,
F: FnMut(B, Self::Item) -> R,
R: Try<Ok = B>,
An iterator method that applies a function as long as it returns successfully, producing a single, final value. Read more
fn try_for_each<F, R>(&mut self, f: F) -> R where
Self: Sized,
F: FnMut(Self::Item) -> R,
R: Try<Ok = ()>,
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Self: Sized,
F: FnMut(Self::Item) -> R,
R: Try<Ok = ()>,
An iterator method that applies a fallible function to each item in the iterator, stopping at the first error and returning that error. Read more
fn fold<B, F>(self, init: B, f: F) -> B where
Self: Sized,
F: FnMut(B, Self::Item) -> B,
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Self: Sized,
F: FnMut(B, Self::Item) -> B,
An iterator method that applies a function, producing a single, final value. Read more
fn all<F>(&mut self, f: F) -> bool where
Self: Sized,
F: FnMut(Self::Item) -> bool,
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Self: Sized,
F: FnMut(Self::Item) -> bool,
Tests if every element of the iterator matches a predicate. Read more
fn any<F>(&mut self, f: F) -> bool where
Self: Sized,
F: FnMut(Self::Item) -> bool,
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Self: Sized,
F: FnMut(Self::Item) -> bool,
Tests if any element of the iterator matches a predicate. Read more
fn find<P>(&mut self, predicate: P) -> Option<Self::Item> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,
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Self: Sized,
P: FnMut(&Self::Item) -> bool,
Searches for an element of an iterator that satisfies a predicate. Read more
fn find_map<B, F>(&mut self, f: F) -> Option<B> where
Self: Sized,
F: FnMut(Self::Item) -> Option<B>,
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Self: Sized,
F: FnMut(Self::Item) -> Option<B>,
Applies function to the elements of iterator and returns the first non-none result. Read more
fn position<P>(&mut self, predicate: P) -> Option<usize> where
Self: Sized,
P: FnMut(Self::Item) -> bool,
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Self: Sized,
P: FnMut(Self::Item) -> bool,
Searches for an element in an iterator, returning its index. Read more
fn rposition<P>(&mut self, predicate: P) -> Option<usize> where
P: FnMut(Self::Item) -> bool,
Self: Sized + ExactSizeIterator + DoubleEndedIterator,
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P: FnMut(Self::Item) -> bool,
Self: Sized + ExactSizeIterator + DoubleEndedIterator,
Searches for an element in an iterator from the right, returning its index. Read more
fn max(self) -> Option<Self::Item> where
Self: Sized,
Self::Item: Ord,
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Self: Sized,
Self::Item: Ord,
Returns the maximum element of an iterator. Read more
fn min(self) -> Option<Self::Item> where
Self: Sized,
Self::Item: Ord,
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Self: Sized,
Self::Item: Ord,
Returns the minimum element of an iterator. Read more
fn max_by_key<B: Ord, F>(self, f: F) -> Option<Self::Item> where
Self: Sized,
F: FnMut(&Self::Item) -> B,
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Self: Sized,
F: FnMut(&Self::Item) -> B,
Returns the element that gives the maximum value from the specified function. Read more
fn max_by<F>(self, compare: F) -> Option<Self::Item> where
Self: Sized,
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
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Self: Sized,
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
Returns the element that gives the maximum value with respect to the specified comparison function. Read more
fn min_by_key<B: Ord, F>(self, f: F) -> Option<Self::Item> where
Self: Sized,
F: FnMut(&Self::Item) -> B,
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Self: Sized,
F: FnMut(&Self::Item) -> B,
Returns the element that gives the minimum value from the specified function. Read more
fn min_by<F>(self, compare: F) -> Option<Self::Item> where
Self: Sized,
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
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Self: Sized,
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
Returns the element that gives the minimum value with respect to the specified comparison function. Read more
ⓘImportant traits for Rev<I>fn rev(self) -> Rev<Self> where
Self: Sized + DoubleEndedIterator,
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Self: Sized + DoubleEndedIterator,
Reverses an iterator's direction. Read more
fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where
FromA: Default + Extend<A>,
FromB: Default + Extend<B>,
Self: Sized + Iterator<Item = (A, B)>,
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FromA: Default + Extend<A>,
FromB: Default + Extend<B>,
Self: Sized + Iterator<Item = (A, B)>,
Converts an iterator of pairs into a pair of containers. Read more
ⓘImportant traits for Copied<I>fn copied<'a, T: 'a>(self) -> Copied<Self> where
Self: Sized + Iterator<Item = &'a T>,
T: Copy,
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Self: Sized + Iterator<Item = &'a T>,
T: Copy,
Creates an iterator which copies all of its elements. Read more
ⓘImportant traits for Cloned<I>fn cloned<'a, T: 'a>(self) -> Cloned<Self> where
Self: Sized + Iterator<Item = &'a T>,
T: Clone,
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Self: Sized + Iterator<Item = &'a T>,
T: Clone,
Creates an iterator which [clone
]s all of its elements. Read more
ⓘImportant traits for Cycle<I>fn cycle(self) -> Cycle<Self> where
Self: Sized + Clone,
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Self: Sized + Clone,
Repeats an iterator endlessly. Read more
fn sum<S>(self) -> S where
Self: Sized,
S: Sum<Self::Item>,
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Self: Sized,
S: Sum<Self::Item>,
Sums the elements of an iterator. Read more
fn product<P>(self) -> P where
Self: Sized,
P: Product<Self::Item>,
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Self: Sized,
P: Product<Self::Item>,
Iterates over the entire iterator, multiplying all the elements Read more
fn cmp<I>(self, other: I) -> Ordering where
I: IntoIterator<Item = Self::Item>,
Self::Item: Ord,
Self: Sized,
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I: IntoIterator<Item = Self::Item>,
Self::Item: Ord,
Self: Sized,
Lexicographically compares the elements of this Iterator
with those of another. Read more
fn partial_cmp<I>(self, other: I) -> Option<Ordering> where
I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
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I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
Lexicographically compares the elements of this Iterator
with those of another. Read more
fn eq<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialEq<I::Item>,
Self: Sized,
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I: IntoIterator,
Self::Item: PartialEq<I::Item>,
Self: Sized,
Determines if the elements of this Iterator
are equal to those of another. Read more
fn ne<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialEq<I::Item>,
Self: Sized,
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I: IntoIterator,
Self::Item: PartialEq<I::Item>,
Self: Sized,
Determines if the elements of this Iterator
are unequal to those of another. Read more
fn lt<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
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I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
Determines if the elements of this Iterator
are lexicographically less than those of another. Read more
fn le<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
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I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
Determines if the elements of this Iterator
are lexicographically less or equal to those of another. Read more
fn gt<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
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I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
Determines if the elements of this Iterator
are lexicographically greater than those of another. Read more
fn ge<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
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I: IntoIterator,
Self::Item: PartialOrd<I::Item>,
Self: Sized,
Determines if the elements of this Iterator
are lexicographically greater than or equal to those of another. Read more
fn is_sorted(self) -> bool where
Self: Sized,
Self::Item: PartialOrd,
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Self: Sized,
Self::Item: PartialOrd,
🔬 This is a nightly-only experimental API. (is_sorted
#53485)
new API
Checks if the elements of this iterator are sorted. Read more
fn is_sorted_by<F>(self, compare: F) -> bool where
Self: Sized,
F: FnMut(&Self::Item, &Self::Item) -> Option<Ordering>,
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Self: Sized,
F: FnMut(&Self::Item, &Self::Item) -> Option<Ordering>,
🔬 This is a nightly-only experimental API. (is_sorted
#53485)
new API
Checks if the elements of this iterator are sorted using the given comparator function. Read more
fn is_sorted_by_key<F, K>(self, f: F) -> bool where
Self: Sized,
F: FnMut(&Self::Item) -> K,
K: PartialOrd,
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Self: Sized,
F: FnMut(&Self::Item) -> K,
K: PartialOrd,
🔬 This is a nightly-only experimental API. (is_sorted
#53485)
new API
Checks if the elements of this iterator are sorted using the given key extraction function. Read more
impl<'a, T> DoubleEndedIterator for Chunks<'a, T>
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fn next_back(&mut self) -> Option<&'a [T]>
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fn nth_back(&mut self, n: usize) -> Option<Self::Item>
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fn try_rfold<B, F, R>(&mut self, init: B, f: F) -> R where
Self: Sized,
F: FnMut(B, Self::Item) -> R,
R: Try<Ok = B>,
1.27.0[src]
Self: Sized,
F: FnMut(B, Self::Item) -> R,
R: Try<Ok = B>,
This is the reverse version of [try_fold()
]: it takes elements starting from the back of the iterator. Read more
fn rfold<B, F>(self, accum: B, f: F) -> B where
Self: Sized,
F: FnMut(B, Self::Item) -> B,
1.27.0[src]
Self: Sized,
F: FnMut(B, Self::Item) -> B,
An iterator method that reduces the iterator's elements to a single, final value, starting from the back. Read more
fn rfind<P>(&mut self, predicate: P) -> Option<Self::Item> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,
1.27.0[src]
Self: Sized,
P: FnMut(&Self::Item) -> bool,
Searches for an element of an iterator from the back that satisfies a predicate. Read more
impl<'_, T> ExactSizeIterator for Chunks<'_, T>
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fn len(&self) -> usize
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Returns the exact number of times the iterator will iterate. Read more
fn is_empty(&self) -> bool
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Returns true
if the iterator is empty. Read more
impl<'_, T> FusedIterator for Chunks<'_, T>
1.26.0[src]
impl<'_, T> TrustedLen for Chunks<'_, T>
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impl<'a, T: Debug + 'a> Debug for Chunks<'a, T>
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Auto Trait Implementations
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(Self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut Self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,