1.0.0[][src]Struct scale_info::prelude::collections::BTreeSet

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

A set based on a B-Tree.

See BTreeMap's documentation for a detailed discussion of this collection's performance benefits and drawbacks.

It is a logic error for an item to be modified in such a way that the item's ordering relative to any other item, as determined by the Ord trait, changes while it is in the set. This is normally only possible through Cell, RefCell, global state, I/O, or unsafe code. The behavior resulting from such a logic error is not specified, but will not result in undefined behavior. This could include panics, incorrect results, aborts, memory leaks, and non-termination.

Examples

use std::collections::BTreeSet;

// Type inference lets us omit an explicit type signature (which
// would be `BTreeSet<&str>` in this example).
let mut books = BTreeSet::new();

// Add some books.
books.insert("A Dance With Dragons");
books.insert("To Kill a Mockingbird");
books.insert("The Odyssey");
books.insert("The Great Gatsby");

// Check for a specific one.
if !books.contains("The Winds of Winter") {
    println!("We have {} books, but The Winds of Winter ain't one.",
             books.len());
}

// Remove a book.
books.remove("The Odyssey");

// Iterate over everything.
for book in &books {
    println!("{}", book);
}

Implementations

impl<T> BTreeSet<T> where
    T: Ord
[src]

pub const fn new() -> BTreeSet<T>[src]

Makes a new, empty BTreeSet.

Does not allocate anything on its own.

Examples

use std::collections::BTreeSet;

let mut set: BTreeSet<i32> = BTreeSet::new();

pub fn range<K, R>(&self, range: R) -> Range<'_, T>

Notable traits for Range<'a, T>

impl<'a, T> Iterator for Range<'a, T> type Item = &'a T;
where
    T: Borrow<K>,
    K: Ord + ?Sized,
    R: RangeBounds<K>, 
1.17.0[src]

Constructs a double-ended iterator over a sub-range of elements in the set. The simplest way is to use the range syntax min..max, thus range(min..max) will yield elements from min (inclusive) to max (exclusive). The range may also be entered as (Bound<T>, Bound<T>), so for example range((Excluded(4), Included(10))) will yield a left-exclusive, right-inclusive range from 4 to 10.

Examples

use std::collections::BTreeSet;
use std::ops::Bound::Included;

let mut set = BTreeSet::new();
set.insert(3);
set.insert(5);
set.insert(8);
for &elem in set.range((Included(&4), Included(&8))) {
    println!("{}", elem);
}
assert_eq!(Some(&5), set.range(4..).next());

pub fn difference(&'a self, other: &'a BTreeSet<T>) -> Difference<'a, T>

Notable traits for Difference<'a, T>

impl<'a, T> Iterator for Difference<'a, T> where
    T: Ord
type Item = &'a T;
[src]

Visits the values representing the difference, i.e., the values that are in self but not in other, in ascending order.

Examples

use std::collections::BTreeSet;

let mut a = BTreeSet::new();
a.insert(1);
a.insert(2);

let mut b = BTreeSet::new();
b.insert(2);
b.insert(3);

let diff: Vec<_> = a.difference(&b).cloned().collect();
assert_eq!(diff, [1]);

pub fn symmetric_difference(
    &'a self,
    other: &'a BTreeSet<T>
) -> SymmetricDifference<'a, T>

Notable traits for SymmetricDifference<'a, T>

impl<'a, T> Iterator for SymmetricDifference<'a, T> where
    T: Ord
type Item = &'a T;
[src]

Visits the values representing the symmetric difference, i.e., the values that are in self or in other but not in both, in ascending order.

Examples

use std::collections::BTreeSet;

let mut a = BTreeSet::new();
a.insert(1);
a.insert(2);

let mut b = BTreeSet::new();
b.insert(2);
b.insert(3);

let sym_diff: Vec<_> = a.symmetric_difference(&b).cloned().collect();
assert_eq!(sym_diff, [1, 3]);

pub fn intersection(&'a self, other: &'a BTreeSet<T>) -> Intersection<'a, T>

Notable traits for Intersection<'a, T>

impl<'a, T> Iterator for Intersection<'a, T> where
    T: Ord
type Item = &'a T;
[src]

Visits the values representing the intersection, i.e., the values that are both in self and other, in ascending order.

Examples

use std::collections::BTreeSet;

let mut a = BTreeSet::new();
a.insert(1);
a.insert(2);

let mut b = BTreeSet::new();
b.insert(2);
b.insert(3);

let intersection: Vec<_> = a.intersection(&b).cloned().collect();
assert_eq!(intersection, [2]);

pub fn union(&'a self, other: &'a BTreeSet<T>) -> Union<'a, T>

Notable traits for Union<'a, T>

impl<'a, T> Iterator for Union<'a, T> where
    T: Ord
type Item = &'a T;
[src]

Visits the values representing the union, i.e., all the values in self or other, without duplicates, in ascending order.

Examples

use std::collections::BTreeSet;

let mut a = BTreeSet::new();
a.insert(1);

let mut b = BTreeSet::new();
b.insert(2);

let union: Vec<_> = a.union(&b).cloned().collect();
assert_eq!(union, [1, 2]);

pub fn clear(&mut self)[src]

Clears the set, removing all values.

Examples

use std::collections::BTreeSet;

let mut v = BTreeSet::new();
v.insert(1);
v.clear();
assert!(v.is_empty());

pub fn contains<Q>(&self, value: &Q) -> bool where
    T: Borrow<Q>,
    Q: Ord + ?Sized
[src]

Returns true if the set contains a value.

The value may be any borrowed form of the set's value type, but the ordering on the borrowed form must match the ordering on the value type.

Examples

use std::collections::BTreeSet;

let set: BTreeSet<_> = [1, 2, 3].iter().cloned().collect();
assert_eq!(set.contains(&1), true);
assert_eq!(set.contains(&4), false);

pub fn get<Q>(&self, value: &Q) -> Option<&T> where
    T: Borrow<Q>,
    Q: Ord + ?Sized
1.9.0[src]

Returns a reference to the value in the set, if any, that is equal to the given value.

The value may be any borrowed form of the set's value type, but the ordering on the borrowed form must match the ordering on the value type.

Examples

use std::collections::BTreeSet;

let set: BTreeSet<_> = [1, 2, 3].iter().cloned().collect();
assert_eq!(set.get(&2), Some(&2));
assert_eq!(set.get(&4), None);

pub fn is_disjoint(&self, other: &BTreeSet<T>) -> bool[src]

Returns true if self has no elements in common with other. This is equivalent to checking for an empty intersection.

Examples

use std::collections::BTreeSet;

let a: BTreeSet<_> = [1, 2, 3].iter().cloned().collect();
let mut b = BTreeSet::new();

assert_eq!(a.is_disjoint(&b), true);
b.insert(4);
assert_eq!(a.is_disjoint(&b), true);
b.insert(1);
assert_eq!(a.is_disjoint(&b), false);

pub fn is_subset(&self, other: &BTreeSet<T>) -> bool[src]

Returns true if the set is a subset of another, i.e., other contains at least all the values in self.

Examples

use std::collections::BTreeSet;

let sup: BTreeSet<_> = [1, 2, 3].iter().cloned().collect();
let mut set = BTreeSet::new();

assert_eq!(set.is_subset(&sup), true);
set.insert(2);
assert_eq!(set.is_subset(&sup), true);
set.insert(4);
assert_eq!(set.is_subset(&sup), false);

pub fn is_superset(&self, other: &BTreeSet<T>) -> bool[src]

Returns true if the set is a superset of another, i.e., self contains at least all the values in other.

Examples

use std::collections::BTreeSet;

let sub: BTreeSet<_> = [1, 2].iter().cloned().collect();
let mut set = BTreeSet::new();

assert_eq!(set.is_superset(&sub), false);

set.insert(0);
set.insert(1);
assert_eq!(set.is_superset(&sub), false);

set.insert(2);
assert_eq!(set.is_superset(&sub), true);

pub fn first(&self) -> Option<&T>[src]

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

Returns a reference to the first value in the set, if any. This value is always the minimum of all values in the set.

Examples

Basic usage:

#![feature(map_first_last)]
use std::collections::BTreeSet;

let mut map = BTreeSet::new();
assert_eq!(map.first(), None);
map.insert(1);
assert_eq!(map.first(), Some(&1));
map.insert(2);
assert_eq!(map.first(), Some(&1));

pub fn last(&self) -> Option<&T>[src]

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

Returns a reference to the last value in the set, if any. This value is always the maximum of all values in the set.

Examples

Basic usage:

#![feature(map_first_last)]
use std::collections::BTreeSet;

let mut map = BTreeSet::new();
assert_eq!(map.first(), None);
map.insert(1);
assert_eq!(map.last(), Some(&1));
map.insert(2);
assert_eq!(map.last(), Some(&2));

pub fn pop_first(&mut self) -> Option<T>[src]

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

Removes the first value from the set and returns it, if any. The first value is always the minimum value in the set.

Examples

#![feature(map_first_last)]
use std::collections::BTreeSet;

let mut set = BTreeSet::new();

set.insert(1);
while let Some(n) = set.pop_first() {
    assert_eq!(n, 1);
}
assert!(set.is_empty());

pub fn pop_last(&mut self) -> Option<T>[src]

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

Removes the last value from the set and returns it, if any. The last value is always the maximum value in the set.

Examples

#![feature(map_first_last)]
use std::collections::BTreeSet;

let mut set = BTreeSet::new();

set.insert(1);
while let Some(n) = set.pop_last() {
    assert_eq!(n, 1);
}
assert!(set.is_empty());

pub fn insert(&mut self, value: T) -> bool[src]

Adds a value to the set.

If the set did not have this value present, true is returned.

If the set did have this value present, false is returned, and the entry is not updated. See the module-level documentation for more.

Examples

use std::collections::BTreeSet;

let mut set = BTreeSet::new();

assert_eq!(set.insert(2), true);
assert_eq!(set.insert(2), false);
assert_eq!(set.len(), 1);

pub fn replace(&mut self, value: T) -> Option<T>1.9.0[src]

Adds a value to the set, replacing the existing value, if any, that is equal to the given one. Returns the replaced value.

Examples

use std::collections::BTreeSet;

let mut set = BTreeSet::new();
set.insert(Vec::<i32>::new());

assert_eq!(set.get(&[][..]).unwrap().capacity(), 0);
set.replace(Vec::with_capacity(10));
assert_eq!(set.get(&[][..]).unwrap().capacity(), 10);

pub fn remove<Q>(&mut self, value: &Q) -> bool where
    T: Borrow<Q>,
    Q: Ord + ?Sized
[src]

Removes a value from the set. Returns whether the value was present in the set.

The value may be any borrowed form of the set's value type, but the ordering on the borrowed form must match the ordering on the value type.

Examples

use std::collections::BTreeSet;

let mut set = BTreeSet::new();

set.insert(2);
assert_eq!(set.remove(&2), true);
assert_eq!(set.remove(&2), false);

pub fn take<Q>(&mut self, value: &Q) -> Option<T> where
    T: Borrow<Q>,
    Q: Ord + ?Sized
1.9.0[src]

Removes and returns the value in the set, if any, that is equal to the given one.

The value may be any borrowed form of the set's value type, but the ordering on the borrowed form must match the ordering on the value type.

Examples

use std::collections::BTreeSet;

let mut set: BTreeSet<_> = [1, 2, 3].iter().cloned().collect();
assert_eq!(set.take(&2), Some(2));
assert_eq!(set.take(&2), None);

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

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

Retains only the elements specified by the predicate.

In other words, remove all elements e such that f(&e) returns false.

Examples

#![feature(btree_retain)]
use std::collections::BTreeSet;

let xs = [1, 2, 3, 4, 5, 6];
let mut set: BTreeSet<i32> = xs.iter().cloned().collect();
// Keep only the even numbers.
set.retain(|&k| k % 2 == 0);
assert!(set.iter().eq([2, 4, 6].iter()));

pub fn append(&mut self, other: &mut BTreeSet<T>)1.11.0[src]

Moves all elements from other into Self, leaving other empty.

Examples

use std::collections::BTreeSet;

let mut a = BTreeSet::new();
a.insert(1);
a.insert(2);
a.insert(3);

let mut b = BTreeSet::new();
b.insert(3);
b.insert(4);
b.insert(5);

a.append(&mut b);

assert_eq!(a.len(), 5);
assert_eq!(b.len(), 0);

assert!(a.contains(&1));
assert!(a.contains(&2));
assert!(a.contains(&3));
assert!(a.contains(&4));
assert!(a.contains(&5));

pub fn split_off<Q>(&mut self, key: &Q) -> BTreeSet<T> where
    T: Borrow<Q>,
    Q: Ord + ?Sized
1.11.0[src]

Splits the collection into two at the given key. Returns everything after the given key, including the key.

Examples

Basic usage:

use std::collections::BTreeSet;

let mut a = BTreeSet::new();
a.insert(1);
a.insert(2);
a.insert(3);
a.insert(17);
a.insert(41);

let b = a.split_off(&3);

assert_eq!(a.len(), 2);
assert_eq!(b.len(), 3);

assert!(a.contains(&1));
assert!(a.contains(&2));

assert!(b.contains(&3));
assert!(b.contains(&17));
assert!(b.contains(&41));

pub fn drain_filter<'a, F>(&'a mut self, pred: F) -> DrainFilter<'a, T, F>

Notable traits for DrainFilter<'_, T, F>

impl<'a, '_, T, F> Iterator for DrainFilter<'_, T, F> where
    F: 'a + FnMut(&T) -> bool
type Item = T;
where
    F: 'a + FnMut(&T) -> bool
[src]

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

Creates an iterator which uses a closure to determine if a value should be removed.

If the closure returns true, then the value is removed and yielded. If the closure returns false, the value will remain in the list and will not be yielded by the iterator.

If the iterator is only partially consumed or not consumed at all, each of the remaining values will still be subjected to the closure and removed and dropped if it returns true.

It is unspecified how many more values will be subjected to the closure if a panic occurs in the closure, or if a panic occurs while dropping a value, or if the DrainFilter itself is leaked.

Examples

Splitting a set into even and odd values, reusing the original set:

#![feature(btree_drain_filter)]
use std::collections::BTreeSet;

let mut set: BTreeSet<i32> = (0..8).collect();
let evens: BTreeSet<_> = set.drain_filter(|v| v % 2 == 0).collect();
let odds = set;
assert_eq!(evens.into_iter().collect::<Vec<_>>(), vec![0, 2, 4, 6]);
assert_eq!(odds.into_iter().collect::<Vec<_>>(), vec![1, 3, 5, 7]);

impl<T> BTreeSet<T>[src]

pub fn iter(&self) -> Iter<'_, T>

Notable traits for Iter<'a, T>

impl<'a, T> Iterator for Iter<'a, T> type Item = &'a T;
[src]

Gets an iterator that visits the values in the BTreeSet in ascending order.

Examples

use std::collections::BTreeSet;

let set: BTreeSet<usize> = [1, 2, 3].iter().cloned().collect();
let mut set_iter = set.iter();
assert_eq!(set_iter.next(), Some(&1));
assert_eq!(set_iter.next(), Some(&2));
assert_eq!(set_iter.next(), Some(&3));
assert_eq!(set_iter.next(), None);

Values returned by the iterator are returned in ascending order:

use std::collections::BTreeSet;

let set: BTreeSet<usize> = [3, 1, 2].iter().cloned().collect();
let mut set_iter = set.iter();
assert_eq!(set_iter.next(), Some(&1));
assert_eq!(set_iter.next(), Some(&2));
assert_eq!(set_iter.next(), Some(&3));
assert_eq!(set_iter.next(), None);

pub const fn len(&self) -> usize[src]

Returns the number of elements in the set.

Examples

use std::collections::BTreeSet;

let mut v = BTreeSet::new();
assert_eq!(v.len(), 0);
v.insert(1);
assert_eq!(v.len(), 1);

pub const fn is_empty(&self) -> bool[src]

Returns true if the set contains no elements.

Examples

use std::collections::BTreeSet;

let mut v = BTreeSet::new();
assert!(v.is_empty());
v.insert(1);
assert!(!v.is_empty());

Trait Implementations

impl<'_, '_, T> BitAnd<&'_ BTreeSet<T>> for &'_ BTreeSet<T> where
    T: Clone + Ord
[src]

type Output = BTreeSet<T>

The resulting type after applying the & operator.

pub fn bitand(self, rhs: &BTreeSet<T>) -> BTreeSet<T>[src]

Returns the intersection of self and rhs as a new BTreeSet<T>.

Examples

use std::collections::BTreeSet;

let a: BTreeSet<_> = vec![1, 2, 3].into_iter().collect();
let b: BTreeSet<_> = vec![2, 3, 4].into_iter().collect();

let result = &a & &b;
let result_vec: Vec<_> = result.into_iter().collect();
assert_eq!(result_vec, [2, 3]);

impl<'_, '_, T> BitOr<&'_ BTreeSet<T>> for &'_ BTreeSet<T> where
    T: Clone + Ord
[src]

type Output = BTreeSet<T>

The resulting type after applying the | operator.

pub fn bitor(self, rhs: &BTreeSet<T>) -> BTreeSet<T>[src]

Returns the union of self and rhs as a new BTreeSet<T>.

Examples

use std::collections::BTreeSet;

let a: BTreeSet<_> = vec![1, 2, 3].into_iter().collect();
let b: BTreeSet<_> = vec![3, 4, 5].into_iter().collect();

let result = &a | &b;
let result_vec: Vec<_> = result.into_iter().collect();
assert_eq!(result_vec, [1, 2, 3, 4, 5]);

impl<'_, '_, T> BitXor<&'_ BTreeSet<T>> for &'_ BTreeSet<T> where
    T: Clone + Ord
[src]

type Output = BTreeSet<T>

The resulting type after applying the ^ operator.

pub fn bitxor(self, rhs: &BTreeSet<T>) -> BTreeSet<T>[src]

Returns the symmetric difference of self and rhs as a new BTreeSet<T>.

Examples

use std::collections::BTreeSet;

let a: BTreeSet<_> = vec![1, 2, 3].into_iter().collect();
let b: BTreeSet<_> = vec![2, 3, 4].into_iter().collect();

let result = &a ^ &b;
let result_vec: Vec<_> = result.into_iter().collect();
assert_eq!(result_vec, [1, 4]);

impl<T> Clone for BTreeSet<T> where
    T: Clone
[src]

impl<T> Debug for BTreeSet<T> where
    T: Debug
[src]

impl<T> Decode for BTreeSet<T> where
    T: Decode + Ord
[src]

impl<T> DecodeLength for BTreeSet<T>[src]

impl<T> Default for BTreeSet<T> where
    T: Ord
[src]

pub fn default() -> BTreeSet<T>[src]

Creates an empty BTreeSet.

impl<'de, T> Deserialize<'de> for BTreeSet<T> where
    T: Deserialize<'de> + Eq + Ord
[src]

impl<T> Encode for BTreeSet<T> where
    T: Encode
[src]

impl<'_, T, LikeT> EncodeLike<&'_ [(LikeT,)]> for BTreeSet<T> where
    T: EncodeLike<LikeT>,
    LikeT: Encode
[src]

impl<'_, T, LikeT> EncodeLike<BTreeSet<LikeT>> for &'_ [(T,)] where
    T: EncodeLike<LikeT>,
    LikeT: Encode
[src]

impl<T, LikeT> EncodeLike<BTreeSet<LikeT>> for BTreeSet<T> where
    T: EncodeLike<LikeT>,
    LikeT: Encode
[src]

impl<T> Eq for BTreeSet<T> where
    T: Eq
[src]

impl<'a, T> Extend<&'a T> for BTreeSet<T> where
    T: 'a + Ord + Copy
1.2.0[src]

impl<T> Extend<T> for BTreeSet<T> where
    T: Ord
[src]

impl<T> FromIterator<T> for BTreeSet<T> where
    T: Ord
[src]

impl<T> Hash for BTreeSet<T> where
    T: Hash
[src]

impl<'de, T, E> IntoDeserializer<'de, E> for BTreeSet<T> where
    T: IntoDeserializer<'de, E> + Eq + Ord,
    E: Error
[src]

type Deserializer = SeqDeserializer<<BTreeSet<T> as IntoIterator>::IntoIter, E>

The type of the deserializer being converted into.

impl<'a, T> IntoIterator for &'a BTreeSet<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?

impl<T> IntoIterator for BTreeSet<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?

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

Notable traits for IntoIter<T>

impl<T> Iterator for IntoIter<T> type Item = T;
[src]

Gets an iterator for moving out the BTreeSet's contents.

Examples

use std::collections::BTreeSet;

let set: BTreeSet<usize> = [1, 2, 3, 4].iter().cloned().collect();

let v: Vec<_> = set.into_iter().collect();
assert_eq!(v, [1, 2, 3, 4]);

impl<T> Ord for BTreeSet<T> where
    T: Ord
[src]

impl<T> PartialEq<BTreeSet<T>> for BTreeSet<T> where
    T: PartialEq<T>, 
[src]

impl<T> PartialOrd<BTreeSet<T>> for BTreeSet<T> where
    T: PartialOrd<T>, 
[src]

impl<T> Serialize for BTreeSet<T> where
    T: Serialize + Ord
[src]

impl<T> StructuralEq for BTreeSet<T>[src]

impl<T> StructuralPartialEq for BTreeSet<T>[src]

impl<'_, '_, T> Sub<&'_ BTreeSet<T>> for &'_ BTreeSet<T> where
    T: Clone + Ord
[src]

type Output = BTreeSet<T>

The resulting type after applying the - operator.

pub fn sub(self, rhs: &BTreeSet<T>) -> BTreeSet<T>[src]

Returns the difference of self and rhs as a new BTreeSet<T>.

Examples

use std::collections::BTreeSet;

let a: BTreeSet<_> = vec![1, 2, 3].into_iter().collect();
let b: BTreeSet<_> = vec![3, 4, 5].into_iter().collect();

let result = &a - &b;
let result_vec: Vec<_> = result.into_iter().collect();
assert_eq!(result_vec, [1, 2]);

Auto Trait Implementations

impl<T> RefUnwindSafe for BTreeSet<T> where
    T: RefUnwindSafe
[src]

impl<T> Send for BTreeSet<T> where
    T: Send
[src]

impl<T> Sync for BTreeSet<T> where
    T: Sync
[src]

impl<T> Unpin for BTreeSet<T>[src]

impl<T> UnwindSafe for BTreeSet<T> where
    T: RefUnwindSafe
[src]

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<S> Codec for S where
    S: Encode + Decode
[src]

impl<T> DecodeAll for T where
    T: Decode
[src]

impl<T> DecodeLimit for T where
    T: Decode
[src]

impl<T> DeserializeOwned for T where
    T: for<'de> Deserialize<'de>, 
[src]

impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
    T: Encode
[src]

impl<'_, T> EncodeLike<&'_ T> for T where
    T: Encode
[src]

impl<'_, T> EncodeLike<&'_ mut T> for T where
    T: Encode
[src]

impl<T> EncodeLike<Arc<T>> for T where
    T: Encode
[src]

impl<T> EncodeLike<Box<T, Global>> for T where
    T: Encode
[src]

impl<'a, T> EncodeLike<Cow<'a, T>> for T where
    T: Encode + ToOwned
[src]

impl<T> EncodeLike<Rc<T>> for T where
    T: Encode
[src]

impl<T> From<T> for T[src]

impl<S> FullCodec for S where
    S: Decode + FullEncode
[src]

impl<S> FullEncode for S where
    S: Encode + EncodeLike<S>, 
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impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T> Joiner for T where
    T: for<'a> Extend<&'a u8>, 
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impl<T> KeyedVec for T where
    T: Codec
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impl<T> ToOwned for T where
    T: Clone
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type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.