Enum im::ordmap::Entry

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pub enum Entry<'a, K, V> where
    K: Ord + Clone,
    V: Clone,  {
    Occupied(OccupiedEntry<'a, K, V>),
    Vacant(VacantEntry<'a, K, V>),
}

Expand description

A handle for a key and its associated value.

Variants

`Occupied(OccupiedEntry<'a, K, V>)`

An entry which exists in the map.

`Vacant(VacantEntry<'a, K, V>)`

An entry which doesn’t exist in the map.

Implementations

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impl<'a, K, V> Entry<'a, K, V> where
K: Ord + Clone,
V: Clone,

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pub fn or_insert(self, default: V) -> &'a mut V

Insert the default value provided if there was no value already, and return a mutable reference to the value.

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pub fn or_insert_with<F>(self, default: F) -> &'a mut V where
F: FnOnce() -> V,

Insert the default value from the provided function if there was no value already, and return a mutable reference to the value.

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pub fn or_default(self) -> &'a mut V where
V: Default,

Insert a default value if there was no value already, and return a mutable reference to the value.

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pub fn key(&self) -> &K

Get the key for this entry.

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pub fn and_modify<F>(self, f: F) -> Self where
F: FnOnce(&mut V),

Call the provided function to modify the value if the value exists.

Auto Trait Implementations

impl<'a, K, V> RefUnwindSafe for Entry<'a, K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

impl<'a, K, V> Send for Entry<'a, K, V> where
K: Send + Sync,
V: Send + Sync,

impl<'a, K, V> Sync for Entry<'a, K, V> where
K: Send + Sync,
V: Send + Sync,

impl<'a, K, V> Unpin for Entry<'a, K, V> where
K: Unpin,

impl<'a, K, V> !UnwindSafe for Entry<'a, K, V>

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,

const: unstable · source

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,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

fn into(self) -> U

Calls U::from(self).

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

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

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

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impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Enum im::ordmap::Entry

Variants

Occupied(OccupiedEntry<'a, K, V>)

Vacant(VacantEntry<'a, K, V>)

Implementations

impl<'a, K, V> Entry<'a, K, V> where K: Ord + Clone, V: Clone,

pub fn or_insert(self, default: V) -> &'a mut V

pub fn or_insert_with<F>(self, default: F) -> &'a mut V where F: FnOnce() -> V,

pub fn or_default(self) -> &'a mut V where V: Default,

pub fn key(&self) -> &K

pub fn and_modify<F>(self, f: F) -> Self where F: FnOnce(&mut V),

Auto Trait Implementations

impl<'a, K, V> RefUnwindSafe for Entry<'a, K, V> where K: RefUnwindSafe, V: RefUnwindSafe,

impl<'a, K, V> Send for Entry<'a, K, V> where K: Send + Sync, V: Send + Sync,

impl<'a, K, V> Sync for Entry<'a, K, V> where K: Send + Sync, V: Send + Sync,

impl<'a, K, V> Unpin for Entry<'a, K, V> where K: Unpin,

impl<'a, K, V> !UnwindSafe for Entry<'a, K, V>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

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> Same<T> for T

type Output = T

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

type Error = Infallible

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

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

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

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

impl<V, T> VZip<V> for T where V: MultiLane<T>,

fn vzip(self) -> V

`Occupied(OccupiedEntry<'a, K, V>)`

`Vacant(VacantEntry<'a, K, V>)`

impl<'a, K, V> Entry<'a, K, V> where
K: Ord + Clone,
V: Clone,

pub fn or_insert_with<F>(self, default: F) -> &'a mut V where
F: FnOnce() -> V,

pub fn or_default(self) -> &'a mut V where
V: Default,

pub fn and_modify<F>(self, f: F) -> Self where
F: FnOnce(&mut V),

impl<'a, K, V> RefUnwindSafe for Entry<'a, K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

impl<'a, K, V> Send for Entry<'a, K, V> where
K: Send + Sync,
V: Send + Sync,

impl<'a, K, V> Sync for Entry<'a, K, V> where
K: Send + Sync,
V: Send + Sync,

impl<'a, K, V> Unpin for Entry<'a, K, V> where
K: Unpin,

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>,

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

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

impl<V, T> VZip<V> for T where
V: MultiLane<T>,