Enum typemap::Entry

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pub enum Entry<'a, K, A: ?Sized + UnsafeAnyExt + 'a = dyn UnsafeAny> {
    Occupied(OccupiedEntry<'a, K, A>),
    Vacant(VacantEntry<'a, K, A>),
}

Expand description

A view onto an entry in a TypeMap.

Variants

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

A view onto an occupied entry in a TypeMap.

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

A view onto an unoccupied entry in a TypeMap.

Implementations

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impl<'a, K: Key, A: ?Sized + UnsafeAnyExt + 'a = dyn UnsafeAny> Entry<'a, K, A>

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pub fn or_insert(self, default: K::Value) -> &'a mut K::Value where
K::Value: Any + Implements<A>,

Ensures a value is in the entry by inserting the default if empty, and returns a mutable reference to the value in the entry.

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pub fn or_insert_with<F: FnOnce() -> K::Value>(
 self,
 default: F
) -> &'a mut K::Value where
 K::Value: Any + Implements<A>,

Ensures a value is in the entry by inserting the result of the default function if empty, and returns a mutable reference to the value in the entry.

Auto Trait Implementations

impl<'a, K, A: ?Sized> RefUnwindSafe for Entry<'a, K, A> where
A: RefUnwindSafe,
K: RefUnwindSafe,

impl<'a, K, A: ?Sized> Send for Entry<'a, K, A> where
A: Send,
K: Send,

impl<'a, K, A: ?Sized> Sync for Entry<'a, K, A> where
A: Sync,
K: Sync,

impl<'a, K, A: ?Sized> Unpin for Entry<'a, K, A> where
K: Unpin,

impl<'a, K, A = dyn UnsafeAny + 'static> !UnwindSafe for Entry<'a, K, A>

Blanket Implementations

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

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pub 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

pub 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

pub 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

pub 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

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub 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

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

Performs the conversion.

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Enum typemap::Entry

Variants

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

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

Implementations

impl<'a, K: Key, A: ?Sized + UnsafeAnyExt + 'a = dyn UnsafeAny> Entry<'a, K, A>

pub fn or_insert(self, default: K::Value) -> &'a mut K::Value where
K::Value: Any + Implements<A>,

pub fn or_insert_with<F: FnOnce() -> K::Value>(
    self,
    default: F
) -> &'a mut K::Value where
    K::Value: Any + Implements<A>,

Auto Trait Implementations

impl<'a, K, A: ?Sized> RefUnwindSafe for Entry<'a, K, A> where
A: RefUnwindSafe,
K: RefUnwindSafe,

impl<'a, K, A: ?Sized> Send for Entry<'a, K, A> where
A: Send,
K: Send,

impl<'a, K, A: ?Sized> Sync for Entry<'a, K, A> where
A: Sync,
K: Sync,

impl<'a, K, A: ?Sized> Unpin for Entry<'a, K, A> where
K: Unpin,

impl<'a, K, A = dyn UnsafeAny + 'static> !UnwindSafe for Entry<'a, K, A>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

pub 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

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

impl<T> UnsafeAny for T where
T: Any,

Enum typemap::Entry

Variants

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

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

Implementations

impl<'a, K: Key, A: ?Sized + UnsafeAnyExt + 'a = dyn UnsafeAny> Entry<'a, K, A>

pub fn or_insert(self, default: K::Value) -> &'a mut K::Value where K::Value: Any + Implements<A>,

pub fn or_insert_with<F: FnOnce() -> K::Value>( self, default: F) -> &'a mut K::Value where K::Value: Any + Implements<A>,

Auto Trait Implementations

impl<'a, K, A: ?Sized> RefUnwindSafe for Entry<'a, K, A> where A: RefUnwindSafe, K: RefUnwindSafe,

impl<'a, K, A: ?Sized> Send for Entry<'a, K, A> where A: Send, K: Send,

impl<'a, K, A: ?Sized> Sync for Entry<'a, K, A> where A: Sync, K: Sync,

impl<'a, K, A: ?Sized> Unpin for Entry<'a, K, A> where K: Unpin,

impl<'a, K, A = dyn UnsafeAny + 'static> !UnwindSafe for Entry<'a, K, A>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

pub 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

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

impl<T> UnsafeAny for T where T: Any,

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

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

pub fn or_insert(self, default: K::Value) -> &'a mut K::Value where
K::Value: Any + Implements<A>,

pub fn or_insert_with<F: FnOnce() -> K::Value>(
self,
default: F
) -> &'a mut K::Value where
K::Value: Any + Implements<A>,

impl<'a, K, A: ?Sized> RefUnwindSafe for Entry<'a, K, A> where
A: RefUnwindSafe,
K: RefUnwindSafe,

impl<'a, K, A: ?Sized> Send for Entry<'a, K, A> where
A: Send,
K: Send,

impl<'a, K, A: ?Sized> Sync for Entry<'a, K, A> where
A: Sync,
K: Sync,

impl<'a, K, A: ?Sized> Unpin for Entry<'a, K, A> 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<T> UnsafeAny for T where
T: Any,