pub struct TypedOptions<ChunkSize = Usize<16>, SupportsPositions = Bool<false>, Mutable = Bool<true>>(/* private fields */);
Expand description

Like Options, but uses types instead of const parameters.

Options is actually a type alias of this type.

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impl<T, ChunkSize: ChunkSize<T>, SupportsPositions: SupportsPositions, Mutable: Mutable> ArenaOptions<T> for TypedOptions<ChunkSize, SupportsPositions, Mutable>

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type ChunkSize = ChunkSize

The number of elements of type T that each chunk can hold. Read more
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type SupportsPositions = SupportsPositions

If true, enables the use of Positions, allowing methods like IterMut::as_position and Arena::iter_mut_at to be called, at the cost of using slightly more memory. Read more
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type Mutable = Mutable

If true, the arena is able to return mutable references. Read more

Auto Trait Implementations§

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impl<ChunkSize, SupportsPositions, Mutable> RefUnwindSafe for TypedOptions<ChunkSize, SupportsPositions, Mutable>

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impl<ChunkSize, SupportsPositions, Mutable> Send for TypedOptions<ChunkSize, SupportsPositions, Mutable>

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impl<ChunkSize, SupportsPositions, Mutable> Sync for TypedOptions<ChunkSize, SupportsPositions, Mutable>

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impl<ChunkSize, SupportsPositions, Mutable> Unpin for TypedOptions<ChunkSize, SupportsPositions, Mutable>

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impl<ChunkSize, SupportsPositions, Mutable> UnwindSafe for TypedOptions<ChunkSize, SupportsPositions, Mutable>

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.