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DroplessInterner

Struct DroplessInterner 

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pub struct DroplessInterner<'a, T: Eq + Hash> {
    arena: DroplessArena<'a>,
    keys: RwLock<HashSet<&'a T>>,
}
Expand description

A DroplessInterner hands out Interned references for arbitrary types.

See the module-level documentation for more information.

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§arena: DroplessArena<'a>§keys: RwLock<HashSet<&'a T>>

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impl<'a, T: Eq + Hash> DroplessInterner<'a, T>

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pub fn new(arena: DroplessArena<'a>) -> Self

Creates a new DroplessInterner backed by the provided DroplessArena

§Panics

Panics if T needs drop

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pub fn get_or_insert(&'a self, value: T) -> Interned<'a, T>

Converts the given value into an Interned value.

§Blocks

This function blocks when the interner is held by another thread.

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pub fn get(&self, value: &T) -> Option<Interned<'a, T>>

Returns the Interned copy of the given value, if one already exists

§Blocks

This function blocks when the interner is being written to by another thread.

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impl<'a, T: Eq + Hash> Default for DroplessInterner<'a, T>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'a, T: Eq + Hash + Send> Send for DroplessInterner<'a, T>
where &'a T: Send,

§Safety

This should be safe because references yielded by get_or_insert are unique, and the function uses the RwLock around the HashSet to ensure mutual exclusion

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impl<T: Eq + Hash + Send + Sync> Sync for DroplessInterner<'_, T>

Auto Trait Implementations§

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impl<'a, T> !Freeze for DroplessInterner<'a, T>

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impl<'a, T> !RefUnwindSafe for DroplessInterner<'a, T>

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impl<'a, T> Unpin for DroplessInterner<'a, T>

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impl<'a, T> UnwindSafe for DroplessInterner<'a, T>

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, U> Into<U> 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, U> TryFrom<U> 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<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.