Enum shred::AccessorCow
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pub enum AccessorCow<'a, 'b, T: ?Sized> where
<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: 'b,
T: System<'a>,
'a: 'b, { Ref(&'b <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor), Owned(<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor), }
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
impl<'a, 'b, T: ?Sized> Deref for AccessorCow<'a, 'b, T> where
<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: 'b,
T: System<'a> + 'b,
'a: 'b,
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<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: 'b,
T: System<'a> + 'b,
'a: 'b,
type Target = <<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor
The resulting type after dereferencing.
fn deref(
&self
) -> &<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor
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&self
) -> &<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor
Dereferences the value.
Auto Trait Implementations
impl<'a, 'b, T: ?Sized> Send for AccessorCow<'a, 'b, T> where
<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Send + Sync,
<T as System<'a>>::SystemData: DynamicSystemData<'a>,
<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Send + Sync,
<T as System<'a>>::SystemData: DynamicSystemData<'a>,
impl<'a, 'b, T: ?Sized> Sync for AccessorCow<'a, 'b, T> where
<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Sync,
<T as System<'a>>::SystemData: DynamicSystemData<'a>,
<<T as System<'a>>::SystemData as DynamicSystemData<'a>>::Accessor: Sync,
<T as System<'a>>::SystemData: DynamicSystemData<'a>,