io.reactors

Signal

object Signal

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Type Members

  1. class Const[T] extends Signal[T]

    Signal with a constant value.

  2. class Mutable[M >: Null <: AnyRef] extends Events.Mutable[M]

    Signal containing a mutable value.

Value Members

  1. final def !=(arg0: AnyRef): Boolean

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  2. final def !=(arg0: Any): Boolean

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. def aggregate[T](ss: Signal[T]*)(z: T)(op: (T, T) ⇒ T): Signal[T]

    A signal that is the aggregation of the values of other signals.

    A signal that is the aggregation of the values of other signals.

    At any point during execution this signal will contain an event obtained by applying op on the values of all the events in signals. This signal aggregate is called a static aggregate since the signals set is specified during aggregate creation and cannot be changed afterwards.

    The signal aggregate creates an aggregation tree data structure, so a value update in one of the signals requires only O(log n) steps to update the value of the aggregate signal.

    Example:

    val emitters = for (0 until 10) yield new Events.Emitter[Int]
    val ag = Signal.aggregate(emitters)(_ + _)

    The aggregation operator needs to be associative, but does not need to be commutative. For example, string concatenation for signals of strings or addition for integer signals are valid operators. Subtraction for integer signals, for example, is not associative and not allowed.

    The value z for the aggregation does not need to be a neutral element with respect to the aggregation operation.

    The resulting signal is hot, i.e. its value is updated even if there are no subscribers.

    T

    type of the aggregate signal

    ss

    signals for the aggregation

    z

    the zero value of the aggregation, used if the list is empty

    op

    the aggregation operator, must be associative

  7. final def asInstanceOf[T0]: T0

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  8. def clone(): AnyRef

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  9. final def eq(arg0: AnyRef): Boolean

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  11. def finalize(): Unit

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  12. final def getClass(): Class[_]

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  13. def hashCode(): Int

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  14. final def isInstanceOf[T0]: Boolean

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  15. final def ne(arg0: AnyRef): Boolean

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  21. final def wait(arg0: Long, arg1: Int): Unit

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