object Eval extends EvalInstances with Serializable
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Type Members
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sealed abstract
class
Call
[A] extends Eval[A]
Call is a type of Eval[A] that is used to defer computations which produce Eval[A].
Call is a type of Eval[A] that is used to defer computations which produce Eval[A].
Users should not instantiate Call instances themselves. Instead, they will be automatically created when needed.
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sealed abstract
class
Compute
[A] extends Eval[A]
Compute is a type of Eval[A] that is used to chain computations involving .map and .flatMap.
Compute is a type of Eval[A] that is used to chain computations involving .map and .flatMap. Along with Eval#flatMap it implements the trampoline that guarantees stack-safety.
Users should not instantiate Compute instances themselves. Instead, they will be automatically created when needed.
Unlike a traditional trampoline, the internal workings of the trampoline are not exposed. This allows a slightly more efficient implementation of the .value method.
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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- val False: Eval[Boolean]
- val One: Eval[Int]
- val True: Eval[Boolean]
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val
Unit: Eval[Unit]
Static Eval instances for some common values.
Static Eval instances for some common values.
These can be useful in cases where the same values may be needed many times.
- val Zero: Eval[Int]
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def
always[A](a: ⇒ A): Eval[A]
Construct a lazy Eval[A] value without caching (i.e.
Construct a lazy Eval[A] value without caching (i.e. Always[A]).
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final
def
asInstanceOf[T0]: T0
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implicit
val
catsBimonadForEval: Bimonad[Eval] with Monad[Eval]
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implicit
def
catsEqForEval[A](implicit arg0: Eq[A]): Eq[Eval[A]]
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implicit
def
catsGroupForEval[A](implicit arg0: Group[A]): Group[Eval[A]]
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implicit
def
catsMonoidForEval[A](implicit arg0: Monoid[A]): Monoid[Eval[A]]
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implicit
def
catsOrderForEval[A](implicit arg0: Order[A]): Order[Eval[A]]
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implicit
def
catsPartialOrderForEval[A](implicit arg0: PartialOrder[A]): PartialOrder[Eval[A]]
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implicit
def
catsSemigroupForEval[A](implicit arg0: Semigroup[A]): Semigroup[Eval[A]]
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def
clone(): AnyRef
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- protected[java.lang]
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def
defer[A](a: ⇒ Eval[A]): Eval[A]
Defer a computation which produces an Eval[A] value.
Defer a computation which produces an Eval[A] value.
This is useful when you want to delay execution of an expression which produces an Eval[A] value. Like .flatMap, it is stack-safe.
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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def
later[A](a: ⇒ A): Eval[A]
Construct a lazy Eval[A] value with caching (i.e.
Construct a lazy Eval[A] value with caching (i.e. Later[A]).
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
now[A](a: A): Eval[A]
Construct an eager Eval[A] value (i.e.
Construct an eager Eval[A] value (i.e. Now[A]).
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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- object Call extends Serializable