Underalign

Struct Underalign 

Source
pub struct Underalign<const N: usize, A: Allocator = Global>(pub A)
where
    Align<N>: Alignment;
Available on crate feature alloc only.
Expand description

Allocator that reduces alignment, similar to Misaligned.

Tuple Fields§

§0: A

Trait Implementations§

Source§

impl<const N: usize, A: Allocator> Allocator for Underalign<N, A>
where Align<N>: Alignment,

Source§

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

🔬This is a nightly-only experimental API. (allocator_api)
Attempts to allocate a block of memory. Read more
Source§

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

🔬This is a nightly-only experimental API. (allocator_api)
Behaves like allocate, but also ensures that the returned memory is zero-initialized. Read more
Source§

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

🔬This is a nightly-only experimental API. (allocator_api)
Attempts to extend the memory block. Read more
Source§

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

🔬This is a nightly-only experimental API. (allocator_api)
Behaves like grow, but also ensures that the new contents are set to zero before being returned. Read more
Source§

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

🔬This is a nightly-only experimental API. (allocator_api)
Attempts to shrink the memory block. Read more
Source§

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

🔬This is a nightly-only experimental API. (allocator_api)
Deallocates the memory referenced by ptr. Read more
Source§

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

🔬This is a nightly-only experimental API. (allocator_api)
Creates a “by reference” adapter for this instance of Allocator. Read more
Source§

impl<const N: usize, A: Clone + Allocator> Clone for Underalign<N, A>
where Align<N>: Alignment,

Source§

fn clone(&self) -> Underalign<N, A>

Returns a duplicate 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<const N: usize, A: Allocator + Debug> Debug for Underalign<N, A>
where Align<N>: Alignment,

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<const N: usize, A: Default + Allocator> Default for Underalign<N, A>
where Align<N>: Alignment,

Source§

fn default() -> Underalign<N, A>

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

impl<const N: usize, A: Hash + Allocator> Hash for Underalign<N, A>
where Align<N>: Alignment,

Source§

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
Source§

impl<const N: usize, A: Ord + Allocator> Ord for Underalign<N, A>
where Align<N>: Alignment,

Source§

fn cmp(&self, other: &Underalign<N, A>) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
Source§

impl<const N: usize, A: PartialEq + Allocator> PartialEq for Underalign<N, A>
where Align<N>: Alignment,

Source§

fn eq(&self, other: &Underalign<N, A>) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl<const N: usize, A: PartialOrd + Allocator> PartialOrd for Underalign<N, A>
where Align<N>: Alignment,

Source§

fn partial_cmp(&self, other: &Underalign<N, A>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · Source§

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 · Source§

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 · Source§

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · Source§

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
Source§

impl<const N: usize, A: Copy + Allocator> Copy for Underalign<N, A>
where Align<N>: Alignment,

Source§

impl<const N: usize, A: Eq + Allocator> Eq for Underalign<N, A>
where Align<N>: Alignment,

Source§

impl<const N: usize, A: Allocator> StructuralPartialEq for Underalign<N, A>
where Align<N>: Alignment,

Auto Trait Implementations§

§

impl<const N: usize, A> Freeze for Underalign<N, A>
where A: Freeze,

§

impl<const N: usize, A> RefUnwindSafe for Underalign<N, A>
where A: RefUnwindSafe,

§

impl<const N: usize, A> Send for Underalign<N, A>
where A: Send,

§

impl<const N: usize, A> Sync for Underalign<N, A>
where A: Sync,

§

impl<const N: usize, A> Unpin for Underalign<N, A>
where A: Unpin,

§

impl<const N: usize, A> UnwindSafe for Underalign<N, A>
where A: UnwindSafe,

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,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

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

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

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,

Source§

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)

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

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.