Enum type_map::concurrent::Entry [−][src]
A view into a single entry in a map, which may either be vacant or occupied.
Variants
Occupied(OccupiedEntry<'a, T>)
Vacant(VacantEntry<'a, T>)
Implementations
impl<'a, T: 'static + Send + Sync> Entry<'a, T>
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pub fn or_insert(self, default: T) -> &'a mut T
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Ensures a value is in the entry by inserting the default if empty, and returns a mutable reference to the value in the entry.
pub fn or_insert_with<F: FnOnce() -> T>(self, default: F) -> &'a mut T
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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.
Trait Implementations
Auto Trait Implementations
impl<'a, T> !RefUnwindSafe for Entry<'a, T>
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impl<'a, T> Send for Entry<'a, T>
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impl<'a, T> Sync for Entry<'a, T>
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impl<'a, T> Unpin for Entry<'a, T>
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impl<'a, T> !UnwindSafe for Entry<'a, T>
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,