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72 lines
2.2 KiB
Go
72 lines
2.2 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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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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func MonadTraverseArray[GB ~func() B, GBS ~func() BBS, AAS ~[]A, BBS ~[]B, A, B any](tas AAS, f func(A) GB) GBS {
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return RA.MonadTraverse(
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Of[GBS, BBS],
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Map[GBS, func() func(B) BBS, BBS, func(B) BBS],
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Ap[GBS, func() func(B) BBS, GB],
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tas,
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f,
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)
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}
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func TraverseArray[GB ~func() B, GBS ~func() BBS, AAS ~[]A, BBS ~[]B, A, B any](f func(A) GB) func(AAS) GBS {
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return RA.Traverse[AAS](
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Of[GBS, BBS],
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Map[GBS, func() func(B) BBS, BBS, func(B) BBS],
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Ap[GBS, func() func(B) BBS, GB],
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f,
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)
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}
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func SequenceArray[GA ~func() A, GAS ~func() AAS, AAS ~[]A, GAAS ~[]GA, 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 a record using an IO transform an IO of a record
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func MonadTraverseRecord[GB ~func() B, GBS ~func() MB, MA ~map[K]A, MB ~map[K]B, K comparable, A, B any](ma MA, f func(A) GB) GBS {
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return RR.MonadTraverse[MA](
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Of[GBS, MB],
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Map[GBS, func() func(B) MB, MB, func(B) MB],
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Ap[GBS, func() func(B) MB, GB],
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ma, f,
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)
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}
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// TraverseRecord transforms a record using an IO transform an IO of a record
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func TraverseRecord[GB ~func() B, GBS ~func() MB, MA ~map[K]A, MB ~map[K]B, K comparable, A, B any](f func(A) GB) func(MA) GBS {
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return RR.Traverse[MA](
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Of[GBS, MB],
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Map[GBS, func() func(B) MB, MB, func(B) MB],
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Ap[GBS, func() func(B) MB, GB],
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f,
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)
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}
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func SequenceRecord[GA ~func() A, GAS ~func() AAS, AAS ~map[K]A, GAAS ~map[K]GA, K comparable, 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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