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65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
package generic
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import (
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ET "github.com/ibm/fp-go/either"
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F "github.com/ibm/fp-go/function"
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RA "github.com/ibm/fp-go/internal/array"
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RR "github.com/ibm/fp-go/internal/record"
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)
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// MonadTraverseArray transforms an array
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func MonadTraverseArray[GB ~func() ET.Either[E, B], GBS ~func() ET.Either[E, BBS], AAS ~[]A, BBS ~[]B, E, A, B any](tas AAS, f func(A) GB) GBS {
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return RA.MonadTraverse[AAS](
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Of[GBS, E, BBS],
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Map[GBS, func() ET.Either[E, func(B) BBS], E, BBS, func(B) BBS],
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Ap[GB, GBS, func() ET.Either[E, func(B) BBS], E, B, BBS],
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tas,
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f,
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)
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}
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// TraverseArray transforms an array
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func TraverseArray[GB ~func() ET.Either[E, B], GBS ~func() ET.Either[E, BBS], AAS ~[]A, BBS ~[]B, E, A, B any](f func(A) GB) func(AAS) GBS {
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return RA.Traverse[AAS](
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Of[GBS, E, BBS],
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Map[GBS, func() ET.Either[E, func(B) BBS], E, BBS, func(B) BBS],
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Ap[GB, GBS, func() ET.Either[E, func(B) BBS], E, B, BBS],
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f,
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)
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}
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// SequenceArray converts a homogeneous sequence of either into an either of sequence
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func SequenceArray[GA ~func() ET.Either[E, A], GAS ~func() ET.Either[E, AAS], AAS ~[]A, GAAS ~[]GA, E, A any](tas GAAS) GAS {
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return MonadTraverseArray[GA, GAS](tas, F.Identity[GA])
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}
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// MonadTraverseRecord transforms an array
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func MonadTraverseRecord[GB ~func() ET.Either[E, B], GBS ~func() ET.Either[E, BBS], AAS ~map[K]A, BBS ~map[K]B, K comparable, E, A, B any](tas AAS, f func(A) GB) GBS {
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return RR.MonadTraverse[AAS](
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Of[GBS, E, BBS],
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Map[GBS, func() ET.Either[E, func(B) BBS], E, BBS, func(B) BBS],
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Ap[GB, GBS, func() ET.Either[E, func(B) BBS], E, B, BBS],
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tas,
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f,
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)
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}
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// TraverseRecord transforms an array
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func TraverseRecord[GB ~func() ET.Either[E, B], GBS ~func() ET.Either[E, BBS], AAS ~map[K]A, BBS ~map[K]B, K comparable, E, A, B any](f func(A) GB) func(AAS) GBS {
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return RR.Traverse[AAS](
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Of[GBS, E, BBS],
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Map[GBS, func() ET.Either[E, func(B) BBS], E, BBS, func(B) BBS],
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Ap[GB, GBS, func() ET.Either[E, func(B) BBS], E, B, BBS],
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f,
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)
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}
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// SequenceRecord converts a homogeneous sequence of either into an either of sequence
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func SequenceRecord[GA ~func() ET.Either[E, A], GAS ~func() ET.Either[E, AAS], AAS ~map[K]A, GAAS ~map[K]GA, K comparable, E, A any](tas GAAS) GAS {
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return MonadTraverseRecord[GA, GAS](tas, F.Identity[GA])
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}
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