Enum rel_core::option::RelOption

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#[repr(u8)]
pub enum RelOption<T> {
    None,
    Some(T),
}

Expand description

A relative counterpart to Option.

Variants

`None`

No value.

`Some(T)`

Some value of type T.

Trait Implementations

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impl<T> DropRaw for RelOption<T>where
T: DropRaw,

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unsafe fn drop_raw(this: Mut<'_, Self>)

Drops the value pointed to by this. Read more

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impl<T: DropRaw, E, R: Region> Emplace<RelOption<T>, R> for Option<E>where
E: Emplace<T, R>,

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fn emplaced_meta(&self) -> <RelOption<T> as Pointee>::Metadata

Returns the metadata of the T that this emplaces. Read more

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unsafe fn emplace_unsized_unchecked(self, out: In<Slot<'_, RelOption<T>>, R>)

Emplaces a value into a given slot within some memory region. Read more

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impl<T, R: Region> Move<R> for RelOption<T>where
Self: DropRaw,
T: Move<__R>,

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unsafe fn move_unsized_unchecked(
this: In<Val<'_, Self>, __R>,
out: In<Slot<'_, Self>, __R>
)

Moves a value into a given slot within some memory region. Read more

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impl<T> Portable for RelOption<T>where
T: Portable,

Auto Trait Implementations

impl<T> RefUnwindSafe for RelOption<T>where
T: RefUnwindSafe,

impl<T> Send for RelOption<T>where
T: Send,

impl<T> Sync for RelOption<T>where
T: Sync,

impl<T> Unpin for RelOption<T>where
T: Unpin,

impl<T> UnwindSafe for RelOption<T>where
T: UnwindSafe,

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<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> Pointee for T

type Metadata = ()

The type for metadata in pointers and references to Self.

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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.

Enum rel_core::option::RelOption

Variants

`None`

`Some(T)`

Trait Implementations

impl<T> DropRaw for RelOption<T>where
T: DropRaw,

unsafe fn drop_raw(this: Mut<'_, Self>)

impl<T: DropRaw, E, R: Region> Emplace<RelOption<T>, R> for Option<E>where
E: Emplace<T, R>,

fn emplaced_meta(&self) -> <RelOption<T> as Pointee>::Metadata

unsafe fn emplace_unsized_unchecked(self, out: In<Slot<'_, RelOption<T>>, R>)

impl<T, R: Region> Move<R> for RelOption<T>where
Self: DropRaw,
T: Move<__R>,

unsafe fn move_unsized_unchecked(
this: In<Val<'_, Self>, __R>,
out: In<Slot<'_, Self>, __R>
)

impl<T> Portable for RelOption<T>where
T: Portable,

Auto Trait Implementations

impl<T> RefUnwindSafe for RelOption<T>where
T: RefUnwindSafe,

impl<T> Send for RelOption<T>where
T: Send,

impl<T> Sync for RelOption<T>where
T: Sync,

impl<T> Unpin for RelOption<T>where
T: Unpin,

impl<T> UnwindSafe for RelOption<T>where
T: UnwindSafe,

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

fn into(self) -> U

impl<T> Pointee for T

type Metadata = ()

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>

Enum rel_core::option::RelOption

Variants

None

Some(T)

Trait Implementations

impl<T> DropRaw for RelOption<T>where T: DropRaw,

unsafe fn drop_raw(this: Mut<'_, Self>)

impl<T: DropRaw, E, R: Region> Emplace<RelOption<T>, R> for Option<E>where E: Emplace<T, R>,

fn emplaced_meta(&self) -> <RelOption<T> as Pointee>::Metadata

unsafe fn emplace_unsized_unchecked(self, out: In<Slot<'_, RelOption<T>>, R>)

impl<T, __R: Region> Move<__R> for RelOption<T>where Self: DropRaw, T: Move<__R>,

unsafe fn move_unsized_unchecked( this: In<Val<'_, Self>, __R>, out: In<Slot<'_, Self>, __R>)

impl<T> Portable for RelOption<T>where T: Portable,

Auto Trait Implementations

impl<T> RefUnwindSafe for RelOption<T>where T: RefUnwindSafe,

impl<T> Send for RelOption<T>where T: Send,

impl<T> Sync for RelOption<T>where T: Sync,

impl<T> Unpin for RelOption<T>where T: Unpin,

impl<T> UnwindSafe for RelOption<T>where T: UnwindSafe,

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

fn into(self) -> U

impl<T> Pointee for T

type Metadata = ()

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>

`None`

`Some(T)`

impl<T> DropRaw for RelOption<T>where
T: DropRaw,

impl<T: DropRaw, E, R: Region> Emplace<RelOption<T>, R> for Option<E>where
E: Emplace<T, R>,

impl<T, R: Region> Move<R> for RelOption<T>where
Self: DropRaw,
T: Move<__R>,

unsafe fn move_unsized_unchecked(
this: In<Val<'_, Self>, __R>,
out: In<Slot<'_, Self>, __R>
)

impl<T> Portable for RelOption<T>where
T: Portable,

impl<T> RefUnwindSafe for RelOption<T>where
T: RefUnwindSafe,

impl<T> Send for RelOption<T>where
T: Send,

impl<T> Sync for RelOption<T>where
T: Sync,

impl<T> Unpin for RelOption<T>where
T: Unpin,

impl<T> UnwindSafe for RelOption<T>where
T: UnwindSafe,

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

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

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