AccessorCow

specs

Enum AccessorCow 

Source 
pub enum AccessorCow<'a, 'b, T>
where
    'a: 'b,
    <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: 'b,
    T: System<'a> + ?Sized,
{
    Ref(&'b <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor),
    Owned(<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor),
}
Expand description

Either an Accessor of the system T or a reference to it.

Variants§

§

Ref(&'b <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor)

A reference to an accessor.

§

Owned(<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor)

An owned accessor.

Trait Implementations§

Source§

impl<'a, 'b, T> Deref for AccessorCow<'a, 'b, T>
where 'a: 'b, <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: 'b, T: System<'a> + 'b + ?Sized,

Source§

type Target = <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor

The resulting type after dereferencing.
Source§

fn deref( &self, ) -> &<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor

Dereferences the value.

Auto Trait Implementations§

§

impl<'a, 'b, T> Freeze for AccessorCow<'a, 'b, T>
where <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Freeze, T: ?Sized,

§

impl<'a, 'b, T> RefUnwindSafe for AccessorCow<'a, 'b, T>
where <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: RefUnwindSafe, T: ?Sized,

§

impl<'a, 'b, T> Send for AccessorCow<'a, 'b, T>
where <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Send + Sync, T: ?Sized,

§

impl<'a, 'b, T> Sync for AccessorCow<'a, 'b, T>
where <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Sync, T: ?Sized,

§

impl<'a, 'b, T> Unpin for AccessorCow<'a, 'b, T>
where <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Unpin, T: ?Sized,

§

impl<'a, 'b, T> UnwindSafe for AccessorCow<'a, 'b, T>
where <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: UnwindSafe + RefUnwindSafe, T: ?Sized,

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> 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> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
Source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
Source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

Source§

type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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.
Source§

impl<T> Event for T
where T: Send + Sync + 'static,

Source§

impl<T> Resource for T
where T: Any + Send + Sync,