Struct allocator_fallback::Global

source · [−]

pub struct Global;

Expand description

A fallback for alloc::alloc::Global, which is currently unstable.

Trait Implementations

source

unsafe fn grow(
 &self,
 ptr: NonNull<u8>,
 old_layout: Layout,
 new_layout: Layout
) -> Result<NonNull<[u8 ]>, AllocError>

See alloc::alloc::Allocator::grow. Read more

source

unsafe fn grow_zeroed(
 &self,
 ptr: NonNull<u8>,
 old_layout: Layout,
 new_layout: Layout
) -> Result<NonNull<[u8 ]>, AllocError>

See alloc::alloc::Allocator::grow_zeroed. Read more

source

unsafe fn shrink(
 &self,
 ptr: NonNull<u8>,
 old_layout: Layout,
 new_layout: Layout
) -> Result<NonNull<[u8 ]>, AllocError>

See alloc::alloc::Allocator::shrink. Read more

source

fn by_ref(&self) -> &Self where
Self: Sized,

See alloc::alloc::Allocator::by_ref.

source

impl Clone for Global

source

fn clone(&self) -> Global

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

source

impl Debug for Global

source

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

source

impl Default for Global

source

fn default() -> Global

Returns the “default value” for a type. Read more

source

impl Copy for Global

Auto Trait Implementations

impl RefUnwindSafe for Global

impl Send for Global

impl Sync for Global

impl Unpin for Global

impl UnwindSafe for Global

Blanket Implementations

source

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

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

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.

source

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

source

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source

fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

source

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.

source

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 allocator_fallback::Global

Trait Implementations

impl Allocator for Global

fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout)

fn allocate_zeroed(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

unsafe fn grow( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout) -> Result<NonNull<[u8]>, AllocError>

unsafe fn grow_zeroed( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout) -> Result<NonNull<[u8]>, AllocError>

unsafe fn shrink( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout) -> Result<NonNull<[u8]>, AllocError>

fn by_ref(&self) -> &Self where Self: Sized,

impl Clone for Global

fn clone(&self) -> Global

fn clone_from(&mut self, source: &Self)

impl Debug for Global

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for Global

fn default() -> Global

impl Copy for Global

Auto Trait Implementations

impl RefUnwindSafe for Global

impl Send for Global

impl Sync for Global

impl Unpin for Global

impl UnwindSafe for Global

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> 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> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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>

fn allocate(&self, layout: Layout) -> Result<NonNull<[u8 ]>, AllocError>

fn allocate_zeroed(&self, layout: Layout) -> Result<NonNull<[u8 ]>, AllocError>

unsafe fn grow(
&self,
ptr: NonNull<u8>,
old_layout: Layout,
new_layout: Layout
) -> Result<NonNull<[u8 ]>, AllocError>

unsafe fn grow_zeroed(
&self,
ptr: NonNull<u8>,
old_layout: Layout,
new_layout: Layout
) -> Result<NonNull<[u8 ]>, AllocError>

unsafe fn shrink(
&self,
ptr: NonNull<u8>,
old_layout: Layout,
new_layout: Layout
) -> Result<NonNull<[u8 ]>, AllocError>

fn by_ref(&self) -> &Self where
Self: Sized,

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

impl<T> ToOwned for T where
T: Clone,

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

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