smallbox2

Struct SmallBox

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pub struct SmallBox<T: ?Sized, const STACK_SIZE: usize> { /* private fields */ }
Expand description

A [Box] analogue that will attempt to allocate to the stack with heap fallback

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impl<T: ?Sized, const STACK_SIZE: usize> SmallBox<T, STACK_SIZE>

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pub fn new(item: T) -> Self
where T: Sized,

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pub fn is_heap(&self) -> bool

Trait Implementations§

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impl<T: ?Sized, const STACK_SIZE: usize> Deref for SmallBox<T, STACK_SIZE>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &T

Dereferences the value.
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impl<T: ?Sized, const STACK_SIZE: usize> DerefMut for SmallBox<T, STACK_SIZE>

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

Mutably dereferences the value.
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impl<T: ?Sized, const STACK_SIZE: usize> Drop for SmallBox<T, STACK_SIZE>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl<T: ?Sized + Unsize<U>, U: ?Sized, const STACK_SIZE: usize> CoerceUnsized<SmallBox<U, STACK_SIZE>> for SmallBox<T, STACK_SIZE>

Auto Trait Implementations§

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impl<T, const STACK_SIZE: usize> Freeze for SmallBox<T, STACK_SIZE>
where T: ?Sized,

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impl<T, const STACK_SIZE: usize> RefUnwindSafe for SmallBox<T, STACK_SIZE>
where T: RefUnwindSafe + ?Sized,

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impl<T, const STACK_SIZE: usize> !Send for SmallBox<T, STACK_SIZE>

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impl<T, const STACK_SIZE: usize> !Sync for SmallBox<T, STACK_SIZE>

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impl<T, const STACK_SIZE: usize> Unpin for SmallBox<T, STACK_SIZE>
where T: ?Sized,

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impl<T, const STACK_SIZE: usize> UnwindSafe for SmallBox<T, STACK_SIZE>
where T: RefUnwindSafe + ?Sized,

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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.