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101 lines
4.7 KiB
Go
101 lines
4.7 KiB
Go
// Copyright (c) 2023 IBM Corp.
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// All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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(E) GIOB, GBS ~func(E) GIOBS, GIOB ~func() ET.Either[L, B], GIOBS ~func() ET.Either[L, BBS], AAS ~[]A, BBS ~[]B, E, L, A, B any](ma AAS, f func(A) GB) GBS {
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return RA.MonadTraverse[AAS](
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Of[GBS, GIOBS, E, L, BBS],
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Map[GBS, func(E) func() ET.Either[L, func(B) BBS], GIOBS, func() ET.Either[L, func(B) BBS], E, L, BBS, func(B) BBS],
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Ap[GB, GBS, func(E) func() ET.Either[L, func(B) BBS], GIOB, GIOBS, func() ET.Either[L, func(B) BBS], E, L, B, BBS],
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ma, 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(E) GIOB, GBS ~func(E) GIOBS, GIOB ~func() ET.Either[L, B], GIOBS ~func() ET.Either[L, BBS], AAS ~[]A, BBS ~[]B, E, L, A, B any](f func(A) GB) func(AAS) GBS {
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return RA.Traverse[AAS](
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Of[GBS, GIOBS, E, L, BBS],
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Map[GBS, func(E) func() ET.Either[L, func(B) BBS], GIOBS, func() ET.Either[L, func(B) BBS], E, L, BBS, func(B) BBS],
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Ap[GB, GBS, func(E) func() ET.Either[L, func(B) BBS], GIOB, GIOBS, func() ET.Either[L, func(B) BBS], E, L, B, BBS],
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f,
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)
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}
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// TraverseArrayWithIndex transforms an array
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func TraverseArrayWithIndex[GB ~func(E) GIOB, GBS ~func(E) GIOBS, GIOB ~func() ET.Either[L, B], GIOBS ~func() ET.Either[L, BBS], AAS ~[]A, BBS ~[]B, E, L, A, B any](f func(int, A) GB) func(AAS) GBS {
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return RA.TraverseWithIndex[AAS](
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Of[GBS, GIOBS, E, L, BBS],
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Map[GBS, func(E) func() ET.Either[L, func(B) BBS], GIOBS, func() ET.Either[L, func(B) BBS], E, L, BBS, func(B) BBS],
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Ap[GB, GBS, func(E) func() ET.Either[L, func(B) BBS], GIOB, GIOBS, func() ET.Either[L, func(B) BBS], E, L, 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(E) GIOA, GAS ~func(E) GIOAS, GIOA ~func() ET.Either[L, A], GIOAS ~func() ET.Either[L, AAS], AAS ~[]A, GAAS ~[]GA, E, L, A any](ma GAAS) GAS {
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return MonadTraverseArray[GA, GAS](ma, F.Identity[GA])
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}
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// MonadTraverseRecord transforms an array
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func MonadTraverseRecord[GB ~func(C) GIOB, GBS ~func(C) GIOBS, GIOB ~func() ET.Either[E, B], GIOBS ~func() ET.Either[E, BBS], AAS ~map[K]A, BBS ~map[K]B, K comparable, C, 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, GIOBS, C, E, BBS],
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Map[GBS, func(C) func() ET.Either[E, func(B) BBS], GIOBS, func() ET.Either[E, func(B) BBS], C, E, BBS, func(B) BBS],
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Ap[GB, GBS, func(C) func() ET.Either[E, func(B) BBS], GIOB, GIOBS, func() ET.Either[E, func(B) BBS], C, 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 a record
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func TraverseRecord[GB ~func(C) GIOB, GBS ~func(C) GIOBS, GIOB ~func() ET.Either[E, B], GIOBS ~func() ET.Either[E, BBS], AAS ~map[K]A, BBS ~map[K]B, K comparable, C, 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, GIOBS, C, E, BBS],
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Map[GBS, func(C) func() ET.Either[E, func(B) BBS], GIOBS, func() ET.Either[E, func(B) BBS], C, E, BBS, func(B) BBS],
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Ap[GB, GBS, func(C) func() ET.Either[E, func(B) BBS], GIOB, GIOBS, func() ET.Either[E, func(B) BBS], C, E, B, BBS],
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f,
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)
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}
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// TraverseRecordWithIndex transforms a record
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func TraverseRecordWithIndex[GB ~func(C) GIOB, GBS ~func(C) GIOBS, GIOB ~func() ET.Either[E, B], GIOBS ~func() ET.Either[E, BBS], AAS ~map[K]A, BBS ~map[K]B, K comparable, C, E, A, B any](f func(K, A) GB) func(AAS) GBS {
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return RR.TraverseWithIndex[AAS](
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Of[GBS, GIOBS, C, E, BBS],
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Map[GBS, func(C) func() ET.Either[E, func(B) BBS], GIOBS, func() ET.Either[E, func(B) BBS], C, E, BBS, func(B) BBS],
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Ap[GB, GBS, func(C) func() ET.Either[E, func(B) BBS], GIOB, GIOBS, func() ET.Either[E, func(B) BBS], C, 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(C) GIOA, GAS ~func(C) GIOAS, GIOA ~func() ET.Either[E, A], GIOAS ~func() ET.Either[E, AAS], AAS ~map[K]A, GAAS ~map[K]GA, K comparable, C, 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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