Type Alias bevy::ecs::schedule::BoxedCondition

pub type BoxedCondition<In = ()> = Box<dyn ReadOnlySystem<Out = bool, In = In>, Global>;

A type-erased run condition stored in a Box.

Aliased Type

struct BoxedCondition<In = ()>(/* private fields */);

Trait Implementations

impl<T> AsyncBufRead for Box<T, Global>where T: AsyncBufRead + Unpin + ?Sized,

fn poll_fill_buf( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_> ) -> Poll<Result<&[u8], Error>>

Attempt to return the contents of the internal buffer, filling it with more data from the inner reader if it is empty.

fn consume(self: Pin<&mut Box<T, Global>>, amt: usize)

Tells this buffer that amt bytes have been consumed from the buffer, so they should no longer be returned in calls to poll_read.

impl<T> AsyncRead for Box<T, Global>where T: AsyncRead + Unpin + ?Sized,

fn poll_read( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_>, buf: &mut [u8] ) -> Poll<Result<usize, Error>>

Attempt to read from the AsyncRead into buf.

fn poll_read_vectored( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_>, bufs: &mut [IoSliceMut<'_>] ) -> Poll<Result<usize, Error>>

Attempt to read from the AsyncRead into bufs using vectored IO operations.

impl<T> AsyncSeek for Box<T, Global>where T: AsyncSeek + Unpin + ?Sized,

fn poll_seek( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_>, pos: SeekFrom ) -> Poll<Result<u64, Error>>

Attempt to seek to an offset, in bytes, in a stream.

impl<T> AsyncWrite for Box<T, Global>where T: AsyncWrite + Unpin + ?Sized,

fn poll_write( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_>, buf: &[u8] ) -> Poll<Result<usize, Error>>

Attempt to write bytes from buf into the object.

fn poll_write_vectored( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_>, bufs: &[IoSlice<'_>] ) -> Poll<Result<usize, Error>>

Attempt to write bytes from bufs into the object using vectored IO operations.

fn poll_flush( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_> ) -> Poll<Result<(), Error>>

Attempt to flush the object, ensuring that any buffered data reach their destination.

fn poll_close( self: Pin<&mut Box<T, Global>>, cx: &mut Context<'_> ) -> Poll<Result<(), Error>>

Attempt to close the object.

impl<T> BufferMut for Box<T, Global>where T: BufferMut + ?Sized,

fn capacity(&self) -> usize

fn write<const N: usize>(&mut self, offset: usize, val: &[u8; N])

fn try_enlarge(&mut self, wanted: usize) -> Result<(), EnlargeError>

impl<T> BufferRef for Box<T, Global>where T: BufferRef + ?Sized,

fn len(&self) -> usize

fn read<const N: usize>(&self, offset: usize) -> &[u8; N]

impl<T> CalculateSizeFor for Box<T, Global>where T: CalculateSizeFor + ?Sized,

fn calculate_size_for(nr_of_el: u64) -> NonZeroU64

Returns the size of Self assuming the (contained) runtime-sized array has nr_of_el elements

impl<T, A> Clone for Box<T, A>where T: Clone, A: Allocator + Clone,

fn clone(&self) -> Box<T, A>

Returns a new box with a clone() of this box’s contents.

Examples

let x = Box::new(5);
let y = x.clone();

// The value is the same
assert_eq!(x, y);

// But they are unique objects
assert_ne!(&*x as *const i32, &*y as *const i32);

fn clone_from(&mut self, source: &Box<T, A>)

Copies source’s contents into self without creating a new allocation.

Examples

let x = Box::new(5);
let mut y = Box::new(10);
let yp: *const i32 = &*y;

y.clone_from(&x);

// The value is the same
assert_eq!(x, y);

// And no allocation occurred
assert_eq!(yp, &*y);

impl<T> CreateFrom for Box<T, Global>where T: CreateFrom + ?Sized,

fn create_from<B>(reader: &mut Reader<B>) -> Box<T, Global>where B: BufferRef,

impl<T, A> Debug for Box<T, A>where T: Debug + ?Sized, A: Allocator,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<T> Default for Box<T, Global>where T: Default,

fn default() -> Box<T, Global>

Creates a Box<T>, with the Default value for T.

impl<T, A> Deref for Box<T, A>where A: Allocator, T: ?Sized,

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &T

Dereferences the value.

impl<'de, T> Deserialize<'de> for Box<T, Global>where T: Deserialize<'de>,

fn deserialize<D>( deserializer: D ) -> Result<Box<T, Global>, <D as Deserializer<'de>>::Error>where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T, A> Display for Box<T, A>where T: Display + ?Sized, A: Allocator,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<T> Error for Box<T, Global>where T: Error,

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type based access to context intended for error reports.

impl<T> From<T> for Box<T, Global>

fn from(t: T) -> Box<T, Global>

Converts a T into a Box<T>

The conversion allocates on the heap and moves t from the stack into it.

Examples

let x = 5;
let boxed = Box::new(5);

assert_eq!(Box::from(x), boxed);

impl<F, A> Future for Box<F, A>where F: Future + Unpin + ?Sized, A: Allocator + 'static,

type Output = <F as Future>::Output

The type of value produced on completion.

fn poll( self: Pin<&mut Box<F, A>>, cx: &mut Context<'_> ) -> Poll<<Box<F, A> as Future>::Output>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.

impl<T, A> Pointer for Box<T, A>where A: Allocator, T: ?Sized,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<T> ReadFrom for Box<T, Global>where T: ReadFrom + ?Sized,

fn read_from<B>(&mut self, reader: &mut Reader<B>)where B: BufferRef,

impl<T> Serialize for Box<T, Global>where T: Serialize + ?Sized,

fn serialize<S>( &self, serializer: S ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where S: Serializer,

Serialize this value into the given Serde serializer.

impl<T> ShaderSize for Box<T, Global>where T: ShaderSize + ?Sized,

const SHADER_SIZE: NonZeroU64 = T::SHADER_SIZE

Represents WGSL Size (equivalent to ShaderType::min_size)

impl<T> ShaderType for Box<T, Global>where T: ShaderType + ?Sized,

fn size(&self) -> NonZeroU64

Returns the size of Self at runtime

fn min_size() -> NonZeroU64

Represents the minimum size of Self (equivalent to GPUBufferBindingLayout.minBindingSize)

fn assert_uniform_compat()

Asserts that Self meets the requirements of the uniform address space restrictions on stored values and the uniform address space layout constraints

impl<S> Stream for Box<S, Global>where S: Stream + Unpin + ?Sized,

type Item = <S as Stream>::Item

Values yielded by the stream.

fn poll_next( self: Pin<&mut Box<S, Global>>, cx: &mut Context<'_> ) -> Poll<Option<<Box<S, Global> as Stream>::Item>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted.

fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the stream.

impl<S> Subscriber for Box<S, Global>where S: Subscriber + ?Sized,

fn register_callsite(&self, metadata: &'static Metadata<'static>) -> Interest

Registers a new callsite with this subscriber, returning whether or not the subscriber is interested in being notified about the callsite.

fn enabled(&self, metadata: &Metadata<'_>) -> bool

Returns true if a span or event with the specified metadata would be recorded.

fn max_level_hint(&self) -> Option<LevelFilter>

Returns the highest verbosity level that this Subscriber will enable, or None, if the subscriber does not implement level-based filtering or chooses not to implement this method.

fn new_span(&self, span: &Attributes<'_>) -> Id

Visit the construction of a new span, returning a new span ID for the span being constructed.

fn record(&self, span: &Id, values: &Record<'_>)

Record a set of values on a span.

fn record_follows_from(&self, span: &Id, follows: &Id)

Adds an indication that span follows from the span with the id follows.

fn event_enabled(&self, event: &Event<'_>) -> bool

Determine if an Event should be recorded.

fn event(&self, event: &Event<'_>)

Records that an Event has occurred.

fn enter(&self, span: &Id)

Records that a span has been entered.

fn exit(&self, span: &Id)

Records that a span has been exited.

fn clone_span(&self, id: &Id) -> Id

Notifies the subscriber that a span ID has been cloned.

fn try_close(&self, id: Id) -> bool

Notifies the subscriber that a span ID has been dropped, and returns true if there are now 0 IDs that refer to that span.

fn drop_span(&self, id: Id)

👎Deprecated since 0.1.2: use Subscriber::try_close instead

This method is deprecated.

fn current_span(&self) -> Current

Returns a type representing this subscriber’s view of the current span.

unsafe fn downcast_raw(&self, id: TypeId) -> Option<*const ()>

If self is the same type as the provided TypeId, returns an untyped *const pointer to that type. Otherwise, returns None.

fn on_register_dispatch(&self, subscriber: &Dispatch)

Invoked when this subscriber becomes a Dispatch.

impl<T> Value for Box<T, Global>where T: Value + ?Sized,

fn record(&self, key: &Field, visitor: &mut dyn Visit)

Visits this value with the given Visitor.

impl<T> WriteInto for Box<T, Global>where T: WriteInto + ?Sized,

fn write_into<B>(&self, writer: &mut Writer<B>)where B: BufferMut,