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fix: implement FilterChain

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-08-10 11:46:30 +02:00
parent cd53cb7036
commit c0028918ae
14 changed files with 311 additions and 17 deletions
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7
iterator/stateless/generic/iterator.go
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@@ -219,3 +219,10 @@ func Ap[GUV ~func() O.Option[T.Tuple2[GUV, func(U) V]], GV ~func() O.Option[T.Tu
func MonadAp[GUV ~func() O.Option[T.Tuple2[GUV, func(U) V]], GV ~func() O.Option[T.Tuple2[GV, V]], GU ~func() O.Option[T.Tuple2[GU, U]], U, V any](fab GUV, ma GU) GV {
return Ap[GUV, GV, GU](ma)(fab)
}
func FilterChain[GVV ~func() O.Option[T.Tuple2[GVV, GV]], GV ~func() O.Option[T.Tuple2[GV, V]], GU ~func() O.Option[T.Tuple2[GU, U]], FCT ~func(U) O.Option[GV], U, V any](f FCT) func(ma GU) GV {
return F.Flow2(
FilterMap[GVV, GU](f),
Flatten[GVV],
)
}