pub struct NonSendMarker(/* private fields */);
Expand description
A dummy type that is !Send
, to force systems to run on the main thread.
Trait Implementations§
Source§impl SystemParam for NonSendMarker
impl SystemParam for NonSendMarker
Source§type Item<'w, 's> = NonSendMarker
type Item<'w, 's> = NonSendMarker
The item type returned when constructing this system param.
The value of this associated type should be
Self
, instantiated with new lifetimes. Read moreSource§fn init_state(_world: &mut World) -> <NonSendMarker as SystemParam>::State
fn init_state(_world: &mut World) -> <NonSendMarker as SystemParam>::State
Creates a new instance of this param’s
State
.Source§fn init_access(
_state: &<NonSendMarker as SystemParam>::State,
system_meta: &mut SystemMeta,
_component_access_set: &mut FilteredAccessSet,
_world: &mut World,
)
fn init_access( _state: &<NonSendMarker as SystemParam>::State, system_meta: &mut SystemMeta, _component_access_set: &mut FilteredAccessSet, _world: &mut World, )
Registers any
World
access used by this SystemParam
Source§unsafe fn get_param<'world, 'state>(
_state: &'state mut <NonSendMarker as SystemParam>::State,
_system_meta: &SystemMeta,
_world: UnsafeWorldCell<'world>,
_change_tick: Tick,
) -> <NonSendMarker as SystemParam>::Item<'world, 'state>
unsafe fn get_param<'world, 'state>( _state: &'state mut <NonSendMarker as SystemParam>::State, _system_meta: &SystemMeta, _world: UnsafeWorldCell<'world>, _change_tick: Tick, ) -> <NonSendMarker as SystemParam>::Item<'world, 'state>
Creates a parameter to be passed into a
SystemParamFunction
. Read moreSource§fn apply(state: &mut Self::State, system_meta: &SystemMeta, world: &mut World)
fn apply(state: &mut Self::State, system_meta: &SystemMeta, world: &mut World)
Applies any deferred mutations stored in this
SystemParam
’s state.
This is used to apply Commands
during ApplyDeferred
.Source§fn queue(
state: &mut Self::State,
system_meta: &SystemMeta,
world: DeferredWorld<'_>,
)
fn queue( state: &mut Self::State, system_meta: &SystemMeta, world: DeferredWorld<'_>, )
Queues any deferred mutations to be applied at the next
ApplyDeferred
.Source§unsafe fn validate_param(
state: &mut Self::State,
system_meta: &SystemMeta,
world: UnsafeWorldCell<'_>,
) -> Result<(), SystemParamValidationError>
unsafe fn validate_param( state: &mut Self::State, system_meta: &SystemMeta, world: UnsafeWorldCell<'_>, ) -> Result<(), SystemParamValidationError>
impl ReadOnlySystemParam for NonSendMarker
Auto Trait Implementations§
impl Freeze for NonSendMarker
impl RefUnwindSafe for NonSendMarker
impl !Send for NonSendMarker
impl !Sync for NonSendMarker
impl Unpin for NonSendMarker
impl UnwindSafe for NonSendMarker
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impl<T, U> AsBindGroupShaderType<U> for T
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ShaderType
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. When used in AsBindGroup
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T: ?Sized,
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Mutably borrows from an owned value. Read more
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, which can then be
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into Box<dyn ConcreteType>
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fn as_any(&self) -> &(dyn Any + 'static)
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(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.Source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
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. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
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. This is needed since Rust cannot
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’s.Source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
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