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fix: add consistent Delay and After functions to IO

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2024-01-12 13:20:50 +01:00
parent aef0048119
commit e7428549e4
6 changed files with 68 additions and 1 deletions
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5
iooption/generic/iooption.go
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@@ -219,6 +219,11 @@ func Delay[GA ~func() O.Option[A], A any](delay time.Duration) func(GA) GA {
return IO.Delay[GA](delay)
}
// After creates an operation that passes after the given [time.Time]
func After[GA ~func() O.Option[A], A any](timestamp time.Time) func(GA) GA {
return IO.After[GA](timestamp)
}
// Fold convers an IOOption into an IO
func Fold[GA ~func() O.Option[A], GB ~func() B, A, B any](onNone func() GB, onSome func(A) GB) func(GA) GB {
return optiont.MatchE(IO.MonadChain[GA, GB, O.Option[A], B], onNone, onSome)

12
iooption/iooption.go
View File

@@ -16,6 +16,8 @@
package iooption
import (
"time"
ET "github.com/IBM/fp-go/either"
I "github.com/IBM/fp-go/io"
IO "github.com/IBM/fp-go/io"
@@ -164,3 +166,13 @@ func MonadChainFirstIOK[A, B any](first IOOption[A], f func(A) IO.IO[B]) IOOptio
func ChainFirstIOK[A, B any](f func(A) IO.IO[B]) func(IOOption[A]) IOOption[A] {
return G.ChainFirstIOK[IOOption[A], IO.IO[B]](f)
}
// Delay creates an operation that passes in the value after some delay
func Delay[A any](delay time.Duration) func(IOOption[A]) IOOption[A] {
return G.Delay[IOOption[A]](delay)
}
// After creates an operation that passes after the given [time.Time]
func After[A any](timestamp time.Time) func(IOOption[A]) IOOption[A] {
return G.After[IOOption[A]](timestamp)
}