Struct storage_api::Box

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pub struct Box<T: ?Sized, S: Storage> { /* private fields */ }

Expand description

A pointer type for heap allocation. A tiny subset of std’s Box.

Implementations

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impl<'a, U> Box<U, DynStorage<'a>> where
U: ?Sized + Pointee<Metadata = DynMetadata>,

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pub fn boxed<A>(boxed: Box<U, AllocStorage<A>>) -> Self where
A: Copy + Allocator,
Bool<{ is_zst::<A>() }>: True,

Construct a dynamic storage box from a standard box.

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pub fn inline(boxed: Box<U, InlineStorage<usize>>) -> Self

Construct a dynamic storage box inline.

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pub unsafe fn take(taken: &'a mut ManuallyDrop) -> Self

Construct a dynamic storage box by taking someone else’s allocation.

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pub unsafe fn from_raw_parts(
 handle: S::Handle,
 metadata: <T as Pointee>::Metadata,
 storage: S
) -> Self

Trait Implementations

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impl<T, U: ?Sized, S: Storage> CoerciblePtr for Box<T, S>

type Pointee = T

The type we point to. This influences which kinds of unsizing are possible. Read more

type Output = Box<U, S>

The output type when unsizing the pointee to U.

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fn as_sized_ptr(&mut self) -> *mut Self::Pointee

Get the raw inner pointer.

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unsafe fn replace_ptr(self, ptr: *mut U) -> Self::Output

Replace the container inner pointer with an unsized version. Read more

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impl<T: ?Sized, S: Storage> Deref for Box<T, S>

type Target = T

The resulting type after dereferencing.

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fn deref(&self) -> &Self::Target

Dereferences the value.

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impl<T: ?Sized, S: Storage> DerefMut for Box<T, S>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

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impl<T: ?Sized, S: Storage> Drop for Box<T, S>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations

impl<T: ?Sized, S> RefUnwindSafe for Box<T, S> where
 S: RefUnwindSafe,
 <S as Storage>::Handle: RefUnwindSafe,
 <T as Pointee>::Metadata: RefUnwindSafe,

impl<T: ?Sized, S> Send for Box<T, S> where
S: Send,

impl<T: ?Sized, S> Sync for Box<T, S> where
S: Sync,

impl<T: ?Sized, S> Unpin for Box<T, S> where
S: Unpin,

impl<T: ?Sized, S> UnwindSafe for Box<T, S> where
 S: UnwindSafe,
 <S as Storage>::Handle: UnwindSafe,
 <T as Pointee>::Metadata: UnwindSafe,

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,

const: unstable · source

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

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

Mutably borrows from an owned value. Read more

impl<T, U> CoerceUnsize for T where
T: CoerciblePtr,
U: ?Sized,

fn unsize<F>(self, with: Coercion<Self::Pointee, U, F>) -> Self::Output where
F: FnOnce(const Self::Pointee) -> const U,

Convert a pointer, as if with unsize coercion. Read more

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impl<T> From<T> for T

const: unstable · source

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

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

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

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

Performs the conversion.

Struct storage_api::Box

Implementations

impl<'a, U> Box<U, DynStorage<'a>> where U: ?Sized + Pointee<Metadata = DynMetadata<U>>,

pub fn boxed<A>(boxed: Box<U, AllocStorage<A>>) -> Self where A: Copy + Allocator, Bool<{ is_zst::<A>() }>: True,

pub fn inline(boxed: Box<U, InlineStorage<usize>>) -> Self

pub unsafe fn take(taken: &'a mut ManuallyDrop<U>) -> Self

impl<T: ?Sized, S: Storage> Box<T, S>

pub fn new_in(t: T, storage: S) -> Self where T: Sized,

pub fn into_raw_parts(this: Self) -> (S::Handle, <T as Pointee>::Metadata, S)

pub unsafe fn from_raw_parts( handle: S::Handle, metadata: <T as Pointee>::Metadata, storage: S) -> Self

Trait Implementations

impl<T, U: ?Sized, S: Storage> CoerciblePtr<U> for Box<T, S>

type Pointee = T

type Output = Box<U, S>

fn as_sized_ptr(&mut self) -> *mut Self::Pointee

unsafe fn replace_ptr(self, ptr: *mut U) -> Self::Output

impl<T: ?Sized, S: Storage> Deref for Box<T, S>

type Target = T

fn deref(&self) -> &Self::Target

impl<T: ?Sized, S: Storage> DerefMut for Box<T, S>

fn deref_mut(&mut self) -> &mut Self::Target

impl<T: ?Sized, S: Storage> Drop for Box<T, S>

fn drop(&mut self)

Auto Trait Implementations

impl<T: ?Sized, S> RefUnwindSafe for Box<T, S> where S: RefUnwindSafe, <S as Storage>::Handle: RefUnwindSafe, <T as Pointee>::Metadata: RefUnwindSafe,

impl<T: ?Sized, S> Send for Box<T, S> where S: Send,

impl<T: ?Sized, S> Sync for Box<T, S> where S: Sync,

impl<T: ?Sized, S> Unpin for Box<T, S> where S: Unpin,

impl<T: ?Sized, S> UnwindSafe for Box<T, S> where S: UnwindSafe, <S as Storage>::Handle: UnwindSafe, <T as Pointee>::Metadata: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T, U> CoerceUnsize<U> for T where T: CoerciblePtr<U>, U: ?Sized,

fn unsize<F>(self, with: Coercion<Self::Pointee, U, F>) -> Self::Output where F: FnOnce(*const Self::Pointee) -> *const U,

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

impl<'a, U> Box<U, DynStorage<'a>> where
U: ?Sized + Pointee<Metadata = DynMetadata<U>>,

pub fn boxed<A>(boxed: Box<U, AllocStorage<A>>) -> Self where
A: Copy + Allocator,
Bool<{ is_zst::<A>() }>: True,

pub fn new_in(t: T, storage: S) -> Self where
T: Sized,

pub unsafe fn from_raw_parts(
handle: S::Handle,
metadata: <T as Pointee>::Metadata,
storage: S
) -> Self

impl<T: ?Sized, S> RefUnwindSafe for Box<T, S> where
S: RefUnwindSafe,
<S as Storage>::Handle: RefUnwindSafe,
<T as Pointee>::Metadata: RefUnwindSafe,

impl<T: ?Sized, S> Send for Box<T, S> where
S: Send,

impl<T: ?Sized, S> Sync for Box<T, S> where
S: Sync,

impl<T: ?Sized, S> Unpin for Box<T, S> where
S: Unpin,

impl<T: ?Sized, S> UnwindSafe for Box<T, S> where
S: UnwindSafe,
<S as Storage>::Handle: UnwindSafe,
<T as Pointee>::Metadata: UnwindSafe,

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> CoerceUnsize<U> for T where
T: CoerciblePtr<U>,
U: ?Sized,

fn unsize<F>(self, with: Coercion<Self::Pointee, U, F>) -> Self::Output where
F: FnOnce(const Self::Pointee) -> const U,

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>,