Struct bones_framework::asset::prelude::dashmap::DashSet

pub struct DashSet<K, S = RandomState> { /* private fields */ }
Expand description

DashSet is a thin wrapper around DashMap using () as the value type. It uses methods and types which are more convenient to work with on a set.

Implementations§

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impl<'a, K> DashSet<K>
where K: 'a + Eq + Hash,

pub fn new() -> DashSet<K>

Creates a new DashSet with a capacity of 0.

§Examples
use dashmap::DashSet;

let games = DashSet::new();
games.insert("Veloren");

pub fn with_capacity(capacity: usize) -> DashSet<K>

Creates a new DashMap with a specified starting capacity.

§Examples
use dashmap::DashSet;

let numbers = DashSet::with_capacity(2);
numbers.insert(2);
numbers.insert(8);
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impl<'a, K, S> DashSet<K, S>
where K: 'a + Eq + Hash, S: BuildHasher + Clone,

pub fn with_hasher(hasher: S) -> DashSet<K, S>

Creates a new DashMap with a capacity of 0 and the provided hasher.

§Examples
use dashmap::DashSet;
use std::collections::hash_map::RandomState;

let s = RandomState::new();
let games = DashSet::with_hasher(s);
games.insert("Veloren");

pub fn with_capacity_and_hasher(capacity: usize, hasher: S) -> DashSet<K, S>

Creates a new DashMap with a specified starting capacity and hasher.

§Examples
use dashmap::DashSet;
use std::collections::hash_map::RandomState;

let s = RandomState::new();
let numbers = DashSet::with_capacity_and_hasher(2, s);
numbers.insert(2);
numbers.insert(8);

pub fn hash_usize<T>(&self, item: &T) -> usize
where T: Hash,

Hash a given item to produce a usize. Uses the provided or default HashBuilder.

pub fn insert(&self, key: K) -> bool

Inserts a key into the set. Returns true if the key was not already in the set.

§Examples
use dashmap::DashSet;

let set = DashSet::new();
set.insert("I am the key!");

pub fn remove<Q>(&self, key: &Q) -> Option<K>
where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

Removes an entry from the map, returning the key if it existed in the map.

§Examples
use dashmap::DashSet;

let soccer_team = DashSet::new();
soccer_team.insert("Jack");
assert_eq!(soccer_team.remove("Jack").unwrap(), "Jack");

pub fn remove_if<Q>(&self, key: &Q, f: impl FnOnce(&K) -> bool) -> Option<K>
where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

Removes an entry from the set, returning the key if the entry existed and the provided conditional function returned true.

use dashmap::DashSet;

let soccer_team = DashSet::new();
soccer_team.insert("Sam");
soccer_team.remove_if("Sam", |player| player.starts_with("Ja"));
assert!(soccer_team.contains("Sam"));
use dashmap::DashSet;

let soccer_team = DashSet::new();
soccer_team.insert("Sam");
soccer_team.remove_if("Jacob", |player| player.starts_with("Ja"));
assert!(!soccer_team.contains("Jacob"));

pub fn iter(&'a self) -> Iter<'a, K, S, DashMap<K, (), S>>

Creates an iterator over a DashMap yielding immutable references.

§Examples
use dashmap::DashSet;

let words = DashSet::new();
words.insert("hello");
assert_eq!(words.iter().count(), 1);

pub fn get<Q>(&'a self, key: &Q) -> Option<Ref<'a, K, S>>
where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

Get a reference to an entry in the set

§Examples
use dashmap::DashSet;

let youtubers = DashSet::new();
youtubers.insert("Bosnian Bill");
assert_eq!(*youtubers.get("Bosnian Bill").unwrap(), "Bosnian Bill");

pub fn shrink_to_fit(&self)

Remove excess capacity to reduce memory usage.

pub fn retain(&self, f: impl FnMut(&K) -> bool)

Retain elements that whose predicates return true and discard elements whose predicates return false.

§Examples
use dashmap::DashSet;

let people = DashSet::new();
people.insert("Albin");
people.insert("Jones");
people.insert("Charlie");
people.retain(|name| name.contains('i'));
assert_eq!(people.len(), 2);

pub fn len(&self) -> usize

Fetches the total number of keys stored in the set.

§Examples
use dashmap::DashSet;

let people = DashSet::new();
people.insert("Albin");
people.insert("Jones");
people.insert("Charlie");
assert_eq!(people.len(), 3);

pub fn is_empty(&self) -> bool

Checks if the set is empty or not.

§Examples
use dashmap::DashSet;

let map = DashSet::<()>::new();
assert!(map.is_empty());

pub fn clear(&self)

Removes all keys in the set.

§Examples
use dashmap::DashSet;

let people = DashSet::new();
people.insert("Albin");
assert!(!people.is_empty());
people.clear();
assert!(people.is_empty());

pub fn capacity(&self) -> usize

Returns how many keys the set can store without reallocating.

pub fn contains<Q>(&self, key: &Q) -> bool
where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

Checks if the set contains a specific key.

§Examples
use dashmap::DashSet;

let people = DashSet::new();
people.insert("Dakota Cherries");
assert!(people.contains("Dakota Cherries"));

Trait Implementations§

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impl<K, S> Clone for DashSet<K, S>
where K: Eq + Hash + Clone, S: Clone,

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fn clone(&self) -> DashSet<K, S>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &DashSet<K, S>)

Performs copy-assignment from source. Read more
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impl<K, S> Debug for DashSet<K, S>
where K: Eq + Hash + Debug, S: BuildHasher + Clone,

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

Formats the value using the given formatter. Read more
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impl<K, S> Default for DashSet<K, S>
where K: Eq + Hash, S: Default + BuildHasher + Clone,

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fn default() -> DashSet<K, S>

Returns the “default value” for a type. Read more
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impl<K, S> Extend<K> for DashSet<K, S>
where K: Eq + Hash, S: BuildHasher + Clone,

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

Extends a collection with the contents of an iterator. Read more
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fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)
Extends a collection with exactly one element.
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fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)
Reserves capacity in a collection for the given number of additional elements. Read more
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impl<K, S> FromIterator<K> for DashSet<K, S>
where K: Eq + Hash, S: BuildHasher + Clone + Default,

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fn from_iter<I>(iter: I) -> DashSet<K, S>
where I: IntoIterator<Item = K>,

Creates a value from an iterator. Read more
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impl<K, S> IntoIterator for DashSet<K, S>
where K: Eq + Hash, S: BuildHasher + Clone,

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type Item = K

The type of the elements being iterated over.
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type IntoIter = OwningIter<K, S>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> <DashSet<K, S> as IntoIterator>::IntoIter

Creates an iterator from a value. Read more

Auto Trait Implementations§

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impl<K, S> Freeze for DashSet<K, S>
where S: Freeze,

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impl<K, S = RandomState> !RefUnwindSafe for DashSet<K, S>

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impl<K, S> Send for DashSet<K, S>
where S: Send, K: Send,

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impl<K, S> Sync for DashSet<K, S>
where S: Sync + Send, K: Send + Sync,

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impl<K, S> Unpin for DashSet<K, S>
where S: Unpin,

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impl<K, S> UnwindSafe for DashSet<K, S>
where S: UnwindSafe, K: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CheckedSum<usize> for T
where T: IntoIterator<Item = usize>,

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fn checked_sum(self) -> Result<usize, Error>

Iterate over the values of this type, computing a checked sum. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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Returns the argument unchanged.

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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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Pipes by value. This is generally the method you want to use. Read more
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where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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