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initial checkin

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
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Dr. Carsten Leue
2023-07-07 22:31:06 +02:00
parent 71c47ca560
commit c07df5c771
128 changed files with 5827 additions and 2 deletions
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31
option/array.go Normal file
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package option
import (
F "github.com/ibm/fp-go/function"
RA "github.com/ibm/fp-go/internal/array"
)
// TraverseArray transforms an array
func TraverseArrayG[GA ~[]A, GB ~[]B, A, B any](f func(A) Option[B]) func(GA) Option[GB] {
return RA.Traverse[GA](
Of[GB],
MonadMap[GB, func(B) GB],
MonadAp[B, GB],
f,
)
}
// TraverseArray transforms an array
func TraverseArray[A, B any](f func(A) Option[B]) func([]A) Option[[]B] {
return TraverseArrayG[[]A, []B](f)
}
func SequenceArrayG[GA ~[]A, GOA ~[]Option[A], A any](ma GOA) Option[GA] {
return TraverseArrayG[GOA, GA](F.Identity[Option[A]])(ma)
}
// SequenceArray converts a homogeneous sequence of either into an either of sequence
func SequenceArray[A any](ma []Option[A]) Option[[]A] {
return SequenceArrayG[[]A](ma)
}