Struct Map

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pub struct Map<K, V>where
    K: Eq + Hash,
{ /* private fields */ }

Expand description

A concurrent map that provides a unified API across native and WASM targets.

Implementations§

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impl<K, V> Map<K, V>
where K: Eq + Hash,

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pub fn new() -> Self

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pub fn get_or_insert_with<F>(&self, key: K, f: F) -> V
where F: FnOnce() -> V, V: Clone, K: Clone,

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

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

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pub fn with_read<Q, R, F>(&self, key: &Q, f: F) -> Option<R>
where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&V) -> R,

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pub fn insert(&self, key: K, value: V)
where K: Clone,

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

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pub fn keys(&self) -> Vec<K>
where K: Clone,

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pub fn with_write<Q, R, F>(&self, key: &Q, f: F) -> Option<R>
where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&mut V) -> R,

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pub fn clear(&self)

Trait Implementations§

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impl<K, V> Default for Map<K, V>
where K: Eq + Hash,

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<K, V> UnwindSafe for Map<K, V>
where K: UnwindSafe, V: 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<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

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

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fn in_current_span(self) -> Instrumented<Self>

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

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.

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type Init = T

The type for initializers.

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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

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type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

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impl<T> WithSubscriber for T

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

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

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fn with_current_subscriber(self) -> WithDispatch<Self>

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

Map

Struct Map Copy item path

Implementations§

impl<K, V> Map<K, V>where K: Eq + Hash,

pub fn new() -> Self

pub fn get_or_insert_with<F>(&self, key: K, f: F) -> Vwhere F: FnOnce() -> V, V: Clone, K: Clone,

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

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

pub fn with_read<Q, R, F>(&self, key: &Q, f: F) -> Option<R>where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&V) -> R,

pub fn insert(&self, key: K, value: V)where K: Clone,

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

pub fn keys(&self) -> Vec<K>where K: Clone,

pub fn with_write<Q, R, F>(&self, key: &Q, f: F) -> Option<R>where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&mut V) -> R,

pub fn clear(&self)

Trait Implementations§

impl<K, V> Default for Map<K, V>where K: Eq + Hash,

fn default() -> Self

Auto Trait Implementations§

impl<K, V> Freeze for Map<K, V>

impl<K, V> !RefUnwindSafe for Map<K, V>

impl<K, V> Send for Map<K, V>where K: Send, V: Send,

impl<K, V> Sync for Map<K, V>where K: Send + Sync, V: Send + Sync,

impl<K, V> Unpin for Map<K, V>

impl<K, V> UnsafeUnpin for Map<K, V>

impl<K, V> UnwindSafe for Map<K, V>where K: UnwindSafe, V: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>where F: FnOnce(&Self) -> bool,

impl<T> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

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

type Error = Infallible

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

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

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

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

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

Struct Map

impl<K, V> Map<K, V>
where K: Eq + Hash,

pub fn get_or_insert_with<F>(&self, key: K, f: F) -> V
where F: FnOnce() -> V, V: Clone, K: Clone,

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

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

pub fn with_read<Q, R, F>(&self, key: &Q, f: F) -> Option<R>
where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&V) -> R,

pub fn insert(&self, key: K, value: V)
where K: Clone,

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

pub fn keys(&self) -> Vec<K>
where K: Clone,

pub fn with_write<Q, R, F>(&self, key: &Q, f: F) -> Option<R>
where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&mut V) -> R,

impl<K, V> Default for Map<K, V>
where K: Eq + Hash,

impl<K, V> Send for Map<K, V>
where K: Send, V: Send,

impl<K, V> Sync for Map<K, V>
where K: Send + Sync, V: Send + Sync,

impl<K, V> UnwindSafe for Map<K, V>
where K: UnwindSafe, V: UnwindSafe,

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

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

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

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

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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

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

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