final case class Now[A](value: A) extends Leaf[A] with Product with Serializable
Construct an eager Eval[A] instance.
In some sense it is equivalent to using a val.
This type should be used when an A value is already in hand, or when the computation to produce an A value is pure and very fast.
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- Eval.scala
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Instance Constructors
- new Now(value: A)
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
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final
def
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final
def
eq(arg0: AnyRef): Boolean
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def
flatMap[B](f: (A) ⇒ Eval[B]): Eval[B]
Lazily perform a computation based on an Eval[A], using the function
fto produce an Eval[B] given an A.Lazily perform a computation based on an Eval[A], using the function
fto produce an Eval[B] given an A.This call is stack-safe -- many .flatMap calls may be chained without consumed additional stack during evaluation. It is also written to avoid left-association problems, so that repeated calls to .flatMap will be efficiently applied.
Computation performed in f is always lazy, even when called on an eager (Now) instance.
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final
def
getClass(): Class[_]
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final
def
isInstanceOf[T0]: Boolean
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def
map[B](f: (A) ⇒ B): Eval[B]
Transform an Eval[A] into an Eval[B] given the transformation function
f.Transform an Eval[A] into an Eval[B] given the transformation function
f.This call is stack-safe -- many .map calls may be chained without consumed additional stack during evaluation.
Computation performed in f is always lazy, even when called on an eager (Now) instance.
- Definition Classes
- Eval
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def
memoize: Eval[A]
Ensure that the result of the computation (if any) will be memoized.
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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def
notifyAll(): Unit
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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val
value: A
Evaluate the computation and return an A value.
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final
def
wait(arg0: Long, arg1: Int): Unit
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