Struct partial_ref::Ref

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#[repr(transparent)]
pub struct Ref<'a, Target: PartialRefTarget + ?Sized> { /* private fields */ }

Expand description

An empty partial reference borrowing no parts.

Partial references with a non-empty set of borrowed parts are built by nesting this type within the Mut and Const types.

Trait Implementations

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impl<'a, Target: PartialRefTarget> Clone for Ref<'a, Target>

An empty reference contains no mutable parts and thus is safe to clone.

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fn clone(&self) -> Self

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<'a, Target: PartialRefTarget + ?Sized> PartialRef<'a> for Ref<'a, Target>

An empty reference to a valid target is a valid reference.

type Target = Target

The referenced type. Read more

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unsafe fn from_raw(
ptr: *mut <Self::Target as PartialRefTarget>::RawTarget
) -> Self

Create a partial reference from a raw pointer. Read more

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fn get_raw(&self) -> *mut <Self::Target as PartialRefTarget>::RawTarget

Access to the underlying raw pointer. Read more

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fn borrow<'b, BorrowedRef, SubsetIndex>(&'b mut self) -> BorrowedRefwhere
 'a: 'b,
 BorrowedRef: PartialRef<'a, Target = Self::Target>,
 Self: HasSubset<'a, BorrowedRef, SubsetIndex>,

Partially re-borrows a partial reference. Read more

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fn part<'b, FieldPart, PartIndex, FieldType>(
 &'b mut self,
 _part: FieldPart
) -> &'a FieldTypewhere
 'a: 'b,
 FieldType: ?Sized,
 FieldPart: Part<PartType = Field<FieldType>>,
 Self: PluckConst<'a, FieldPart, PartIndex>,
 Self::Target: HasPart<FieldPart> + 'a,

Access a part of the referenced value. Read more

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fn part_mut<'b, FieldPart, PartIndex, FieldType>(
 &'b mut self,
 _part: FieldPart
) -> &'a mut FieldTypewhere
 'a: 'b,
 FieldType: ?Sized,
 FieldPart: Part<PartType = Field<FieldType>>,
 Self: PluckMut<'a, FieldPart, PartIndex>,
 Self::Target: HasPart<FieldPart> + 'a,

Mutable access to a part of the referenced value. Read more

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fn split_borrow<'b, BorrowedRef, SubsetIndex>(
 &'b mut self
) -> (BorrowedRef, Self::Remainder)where
 'a: 'b,
 BorrowedRef: PartialRef<'a, Target = Self::Target>,
 Self: HasSubset<'a, BorrowedRef, SubsetIndex>,

Partially re-borrows a partial reference, splitting off the remaining parts. Read more

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fn split_part<'b, FieldPart, PartIndex, FieldType>(
 &'b mut self,
 _part: FieldPart
) -> (&'a FieldType, Self::Remainder)where
 'a: 'b,
 FieldType: ?Sized,
 FieldPart: Part<PartType = Field<FieldType>>,
 Self: PluckConst<'a, FieldPart, PartIndex>,
 Self::Target: HasPart<FieldPart> + 'a,

Access a part of the referenced value, splitting off the remaining parts. Read more

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fn split_part_mut<'b, FieldPart, PartIndex, FieldType>(
 &'b mut self,
 _part: FieldPart
) -> (&'a mut FieldType, Self::Remainder)where
 'a: 'b,
 FieldType: ?Sized,
 FieldPart: Part<PartType = Field<FieldType>>,
 Self: PluckMut<'a, FieldPart, PartIndex>,
 Self::Target: HasPart<FieldPart> + 'a,

Mutable access to a part of the referenced value, splitting off the remaining parts. Read more

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impl<'a, Target: PartialRefTarget> Copy for Ref<'a, Target>

An empty reference contains no mutable parts and thus is safe to clone.

Auto Trait Implementations

impl<'a, Target: ?Sized> RefUnwindSafe for Ref<'a, Target>where
Target: RefUnwindSafe,
<Target as PartialRefTarget>::RawTarget: RefUnwindSafe,

impl<'a, Target> !Send for Ref<'a, Target>

impl<'a, Target> !Sync for Ref<'a, Target>

impl<'a, Target: ?Sized> Unpin for Ref<'a, Target>

impl<'a, Target> !UnwindSafe for Ref<'a, Target>

Blanket Implementations

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impl<T> Any for Twhere
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 Twhere
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 Twhere
T: ?Sized,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<Reference, Outer, OuterFieldType, Inner> HasPart<Nested<Outer, Inner>> for Referencewhere
 Reference: HasPart<Outer> + ?Sized,
 Outer: Part<PartType = Field<OuterFieldType>>,
 Inner: Part,
 OuterFieldType: HasPart<Inner, RawTarget = OuterFieldType> + PartialRefTarget + ?Sized,

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unsafe fn part_ptr(
ptr: *const <Reference as PartialRefTarget>::RawTarget
) -> <<Inner as Part>::PartType as PartType>::Ptr

Given a constant pointer to a target, produce a constant pointer to a part of it.

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unsafe fn part_ptr_mut(
ptr: *mut <Reference as PartialRefTarget>::RawTarget
) -> <<Inner as Part>::PartType as PartType>::PtrMut

Given a mutable pointer to a target, produce a mutable pointer to a part of it.

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impl<'a, Reference> HasSubset<'a, Ref<'a, <Reference as PartialRef<'a>>::Target>, SubsetIndexEnd> for Referencewhere
Reference: PartialRef<'a>,

type Remainder = Reference

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impl<T, U> Into for Twhere
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> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

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

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

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

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impl<T, U> TryFrom for Twhere
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 Twhere
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 partial_ref::Ref

Trait Implementations

impl<'a, Target: PartialRefTarget> Clone for Ref<'a, Target>

fn clone(&self) -> Self

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

impl<'a, Target: PartialRefTarget + ?Sized> PartialRef<'a> for Ref<'a, Target>

type Target = Target

unsafe fn from_raw( ptr: *mut <Self::Target as PartialRefTarget>::RawTarget) -> Self

fn get_raw(&self) -> *mut <Self::Target as PartialRefTarget>::RawTarget

fn borrow<'b, BorrowedRef, SubsetIndex>(&'b mut self) -> BorrowedRefwhere 'a: 'b, BorrowedRef: PartialRef<'a, Target = Self::Target>, Self: HasSubset<'a, BorrowedRef, SubsetIndex>,

fn part<'b, FieldPart, PartIndex, FieldType>( &'b mut self, _part: FieldPart) -> &'a FieldTypewhere 'a: 'b, FieldType: ?Sized, FieldPart: Part<PartType = Field<FieldType>>, Self: PluckConst<'a, FieldPart, PartIndex>, Self::Target: HasPart<FieldPart> + 'a,

fn part_mut<'b, FieldPart, PartIndex, FieldType>( &'b mut self, _part: FieldPart) -> &'a mut FieldTypewhere 'a: 'b, FieldType: ?Sized, FieldPart: Part<PartType = Field<FieldType>>, Self: PluckMut<'a, FieldPart, PartIndex>, Self::Target: HasPart<FieldPart> + 'a,

fn split_borrow<'b, BorrowedRef, SubsetIndex>( &'b mut self) -> (BorrowedRef, Self::Remainder)where 'a: 'b, BorrowedRef: PartialRef<'a, Target = Self::Target>, Self: HasSubset<'a, BorrowedRef, SubsetIndex>,

fn split_part<'b, FieldPart, PartIndex, FieldType>( &'b mut self, _part: FieldPart) -> (&'a FieldType, Self::Remainder)where 'a: 'b, FieldType: ?Sized, FieldPart: Part<PartType = Field<FieldType>>, Self: PluckConst<'a, FieldPart, PartIndex>, Self::Target: HasPart<FieldPart> + 'a,

fn split_part_mut<'b, FieldPart, PartIndex, FieldType>( &'b mut self, _part: FieldPart) -> (&'a mut FieldType, Self::Remainder)where 'a: 'b, FieldType: ?Sized, FieldPart: Part<PartType = Field<FieldType>>, Self: PluckMut<'a, FieldPart, PartIndex>, Self::Target: HasPart<FieldPart> + 'a,

impl<'a, Target: PartialRefTarget> Copy for Ref<'a, Target>

Auto Trait Implementations

impl<'a, Target: ?Sized> RefUnwindSafe for Ref<'a, Target>where Target: RefUnwindSafe, <Target as PartialRefTarget>::RawTarget: RefUnwindSafe,

impl<'a, Target> !Send for Ref<'a, Target>

impl<'a, Target> !Sync for Ref<'a, Target>

impl<'a, Target: ?Sized> Unpin for Ref<'a, Target>

impl<'a, Target> !UnwindSafe for Ref<'a, Target>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<Reference, Outer, OuterFieldType, Inner> HasPart<Nested<Outer, Inner>> for Referencewhere Reference: HasPart<Outer> + ?Sized, Outer: Part<PartType = Field<OuterFieldType>>, Inner: Part, OuterFieldType: HasPart<Inner, RawTarget = OuterFieldType> + PartialRefTarget + ?Sized,

unsafe fn part_ptr( ptr: *const <Reference as PartialRefTarget>::RawTarget) -> <<Inner as Part>::PartType as PartType>::Ptr

unsafe fn part_ptr_mut( ptr: *mut <Reference as PartialRefTarget>::RawTarget) -> <<Inner as Part>::PartType as PartType>::PtrMut

impl<'a, Reference> HasSubset<'a, Ref<'a, <Reference as PartialRef<'a>>::Target>, SubsetIndexEnd> for Referencewhere Reference: PartialRef<'a>,

type Remainder = Reference

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

fn into(self) -> U

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

unsafe fn from_raw(
ptr: *mut <Self::Target as PartialRefTarget>::RawTarget
) -> Self

fn borrow<'b, BorrowedRef, SubsetIndex>(&'b mut self) -> BorrowedRefwhere
'a: 'b,
BorrowedRef: PartialRef<'a, Target = Self::Target>,
Self: HasSubset<'a, BorrowedRef, SubsetIndex>,

fn part<'b, FieldPart, PartIndex, FieldType>(
&'b mut self,
_part: FieldPart
) -> &'a FieldTypewhere
'a: 'b,
FieldType: ?Sized,
FieldPart: Part<PartType = Field<FieldType>>,
Self: PluckConst<'a, FieldPart, PartIndex>,
Self::Target: HasPart<FieldPart> + 'a,

fn part_mut<'b, FieldPart, PartIndex, FieldType>(
&'b mut self,
_part: FieldPart
) -> &'a mut FieldTypewhere
'a: 'b,
FieldType: ?Sized,
FieldPart: Part<PartType = Field<FieldType>>,
Self: PluckMut<'a, FieldPart, PartIndex>,
Self::Target: HasPart<FieldPart> + 'a,

fn split_borrow<'b, BorrowedRef, SubsetIndex>(
&'b mut self
) -> (BorrowedRef, Self::Remainder)where
'a: 'b,
BorrowedRef: PartialRef<'a, Target = Self::Target>,
Self: HasSubset<'a, BorrowedRef, SubsetIndex>,

fn split_part<'b, FieldPart, PartIndex, FieldType>(
&'b mut self,
_part: FieldPart
) -> (&'a FieldType, Self::Remainder)where
'a: 'b,
FieldType: ?Sized,
FieldPart: Part<PartType = Field<FieldType>>,
Self: PluckConst<'a, FieldPart, PartIndex>,
Self::Target: HasPart<FieldPart> + 'a,

fn split_part_mut<'b, FieldPart, PartIndex, FieldType>(
&'b mut self,
_part: FieldPart
) -> (&'a mut FieldType, Self::Remainder)where
'a: 'b,
FieldType: ?Sized,
FieldPart: Part<PartType = Field<FieldType>>,
Self: PluckMut<'a, FieldPart, PartIndex>,
Self::Target: HasPart<FieldPart> + 'a,

impl<'a, Target: ?Sized> RefUnwindSafe for Ref<'a, Target>where
Target: RefUnwindSafe,
<Target as PartialRefTarget>::RawTarget: RefUnwindSafe,

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

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

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

impl<Reference, Outer, OuterFieldType, Inner> HasPart<Nested<Outer, Inner>> for Referencewhere
Reference: HasPart<Outer> + ?Sized,
Outer: Part<PartType = Field<OuterFieldType>>,
Inner: Part,
OuterFieldType: HasPart<Inner, RawTarget = OuterFieldType> + PartialRefTarget + ?Sized,

unsafe fn part_ptr(
ptr: *const <Reference as PartialRefTarget>::RawTarget
) -> <<Inner as Part>::PartType as PartType>::Ptr

unsafe fn part_ptr_mut(
ptr: *mut <Reference as PartialRefTarget>::RawTarget
) -> <<Inner as Part>::PartType as PartType>::PtrMut

impl<'a, Reference> HasSubset<'a, Ref<'a, <Reference as PartialRef<'a>>::Target>, SubsetIndexEnd> for Referencewhere
Reference: PartialRef<'a>,

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

impl<T> ToOwned for Twhere
T: Clone,

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

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