trait Fruitful[-I, +O, +E] extends Stage[I, O, E]
A Stage that is guaranteed to always produce a h8io.stages.Yield.Some.
Overriding apply to return Yield.Some (instead of the broader Yield) lets the compiler track this guarantee
statically, making Fruitful stages safe to use wherever an output value is always expected.
- I
the input type (contravariant)
- O
the output type (covariant)
- E
the error type (covariant)
- Alphabetic
- By Inheritance
- Fruitful
- Stage
- Function1
- AnyRef
- Any
- Hide All
- Show All
- Public
- All
Abstract Value Members
-
abstract
def
apply(in: I): Some[I, O, E]
Processes
inand returns the Yield carrying the optional output, the status and the continuation. -
abstract
def
skip(): Evolution[I, O, E]
Returns this stage's Evolution without consuming an input.
Returns this stage's Evolution without consuming an input.
Called instead of
applywhenever the stage takes part in a run but has nothing to process: the upstream yielded no output, or a binary operator excluded this branch. The evolution must be the one the stage would have returned had it run. Likeapply,skip()may perform side effects — a decorator, for instance, may advance or release the inner stage it owns.- Definition Classes
- Stage
Concrete Value Members
-
final
def
!=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
- Definition Classes
- AnyRef → Any
-
final
def
==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
def
andThen[A](g: (Yield[I, O, E]) ⇒ A): (I) ⇒ A
- Definition Classes
- Function1
- Annotations
- @unspecialized()
-
final
def
asInstanceOf[T0]: T0
- Definition Classes
- Any
-
def
clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... ) @native() @IntrinsicCandidate()
-
def
compose[A](g: (A) ⇒ I): (A) ⇒ Yield[I, O, E]
- Definition Classes
- Function1
- Annotations
- @unspecialized()
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
def
equals(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @IntrinsicCandidate()
-
def
hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @IntrinsicCandidate()
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
- Any
-
final
def
ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
final
def
notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @IntrinsicCandidate()
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @IntrinsicCandidate()
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
def
toString(): String
- Definition Classes
- Function1 → AnyRef → Any
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... ) @native()
-
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
~>[_O, _E >: E](that: Stage[O, _O, _E]): Stage[I, _O, _E]
Composes this stage with
that, feeding this stage's output into it.Composes this stage with
that, feeding this stage's output into it. See the Composition section above for what happens when there is no output to feed.- Definition Classes
- Stage
- Annotations
- @inline()
Deprecated Value Members
-
def
finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] ) @Deprecated
- Deprecated