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Out

Struct Out 

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pub struct Out<'a, T: ?Sized> { /* private fields */ }
Expand description

Wrapper for write-only “out pointers” that are safe to write to

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impl<'a, T: ?Sized> Out<'a, T>

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pub unsafe fn nullable(ptr: *mut T) -> Option<Self>

§Safety
  • pointer must either be NULL, or be valid for the duration of lifetime 'a
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pub unsafe fn nonnull(ptr: *mut T) -> Self

§Safety
  • pointer must be valid for the duration of lifetime 'a
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pub fn from_mut(r: &'a mut T) -> Self

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pub fn as_mut_ptr(&mut self) -> *mut T

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impl<'a, T> Out<'a, T>

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pub fn from_uninit_mut(r: &'a mut MaybeUninit<T>) -> Self

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pub fn write(&mut self, t: T)

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impl<'a, T, const N: usize> Out<'a, [T; N]>

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pub fn as_slice_mut<'b>(&'b mut self) -> Out<'b, [T]>

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impl<'a, T> Out<'a, [T]>

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pub unsafe fn from_raw_parts(ptr: *mut T, len: usize) -> Self

§Safety

If len > 0, ptr be valid for len elements of T, during lifetime 'a.

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pub fn len(&self) -> usize

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pub fn is_empty(&self) -> bool

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pub fn split_at_checked<'b>(&'b mut self, n: usize) -> Option<[Out<'b, [T]>; 2]>

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pub fn copy_from_slice(&mut self, src: &[T])
where T: Copy,

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pub fn copy_common_length_from_slice(&mut self, src: &[T]) -> usize
where T: Copy,

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pub fn subslice<'b>(&'b mut self, start: usize, end: usize) -> Out<'b, [T]>

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pub fn index<'b>(&'b mut self, i: usize) -> Out<'b, T>

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impl<T: Plain> Out<'_, [T]>

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pub fn zero(&mut self)

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pub fn cast_slice_to<'b, U>(self) -> Out<'b, [U]>
where T: CastSlice<U>,

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impl<'a, T: ?Sized> Out<'a, T>

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pub unsafe fn with_lifetime_of<'b, U: ?Sized>(self, u: &'b U) -> Out<'b, T>

Trait Implementations§

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impl<T: ?Sized> Debug for Out<'_, T>

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

Formats the value using the given formatter. Read more
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impl<'a, T: Hash + ?Sized> Hash for Out<'a, T>

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

Feeds this value into the given Hasher. Read more
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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
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impl<'a, T: Ord + ?Sized> Ord for Out<'a, T>

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fn cmp(&self, other: &Out<'a, T>) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 (const: unstable) · Source§

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

Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) · Source§

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

Compares and returns the minimum of two values. Read more
1.50.0 (const: unstable) · Source§

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

Restrict a value to a certain interval. Read more
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impl<'a, T: PartialEq + ?Sized> PartialEq for Out<'a, T>

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fn eq(&self, other: &Out<'a, T>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a, T: PartialOrd + ?Sized> PartialOrd for Out<'a, T>

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fn partial_cmp(&self, other: &Out<'a, T>) -> Option<Ordering>

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

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

Tests less than (for self and other) and is used by the < operator. Read more
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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 (const: unstable) · 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 (const: unstable) · 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
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impl<T: ?Sized> Pointer for Out<'_, T>

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

Formats the value using the given formatter. Read more
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impl<'a, T: Eq + ?Sized> Eq for Out<'a, T>

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impl<'a, T: ?Sized> StructuralPartialEq for Out<'a, T>

Auto Trait Implementations§

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impl<'a, T> Freeze for Out<'a, T>
where T: ?Sized,

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impl<'a, T> !RefUnwindSafe for Out<'a, T>

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impl<'a, T> !Send for Out<'a, T>

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impl<'a, T> !Sync for Out<'a, T>

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impl<'a, T> Unpin for Out<'a, T>
where T: ?Sized,

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impl<'a, T> UnsafeUnpin for Out<'a, T>
where T: ?Sized,

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impl<'a, T> !UnwindSafe for Out<'a, T>

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> CastSlice<'_, T> for T

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fn cast_slice(selves: &[T]) -> &[T]

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impl<T> CastSliceMut<'_, T> for T

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fn cast_slice_mut(selves: &mut [T]) -> &mut [T]

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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<T> Same for T

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type Output = T

Should always be Self
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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.