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Implement v2 using type aliases (#141)

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* fix: initial checkin of v2

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: slowly migrate IO

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: migrate MonadTraverseArray and TraverseArray

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: migrate traversal

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: complete migration of IO

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: migrate ioeither

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: refactorY

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: next step in migration

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: adjust IO generation code

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: get rid of more IO methods

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: get rid of more IO

* fix: convert iooption

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: convert reader

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: convert a bit of reader

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: new build script

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: cleanup

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: reformat

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: simplify

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: some cleanup

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: adjust Pair to Haskell semantic

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: documentation and testcases

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: some performance optimizations

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: remove coverage

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

* fix: better doc

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

---------

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Carsten Leue
2025-11-06 09:27:00 +01:00
committed by GitHub
parent 7874859c4b
commit 3385c705dc
748 changed files with 97722 additions and 24 deletions
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52
v2/array/generic/zip.go Normal file
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// Copyright (c) 2023 - 2025 IBM Corp.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package generic
import (
F "github.com/IBM/fp-go/v2/function"
N "github.com/IBM/fp-go/v2/number"
T "github.com/IBM/fp-go/v2/tuple"
)
// ZipWith applies a function to pairs of elements at the same index in two arrays, collecting the results in a new array. If one
// input array is short, excess elements of the longer array are discarded.
func ZipWith[AS ~[]A, BS ~[]B, CS ~[]C, FCT ~func(A, B) C, A, B, C any](fa AS, fb BS, f FCT) CS {
l := N.Min(len(fa), len(fb))
res := make(CS, l)
for i := l - 1; i >= 0; i-- {
res[i] = f(fa[i], fb[i])
}
return res
}
// Zip takes two arrays and returns an array of corresponding pairs. If one input array is short, excess elements of the
// longer array are discarded
func Zip[AS ~[]A, BS ~[]B, CS ~[]T.Tuple2[A, B], A, B any](fb BS) func(AS) CS {
return F.Bind23of3(ZipWith[AS, BS, CS, func(A, B) T.Tuple2[A, B]])(fb, T.MakeTuple2[A, B])
}
// Unzip is the function is reverse of [Zip]. Takes an array of pairs and return two corresponding arrays
func Unzip[AS ~[]A, BS ~[]B, CS ~[]T.Tuple2[A, B], A, B any](cs CS) T.Tuple2[AS, BS] {
l := len(cs)
as := make(AS, l)
bs := make(BS, l)
for i := l - 1; i >= 0; i-- {
t := cs[i]
as[i] = t.F1
bs[i] = t.F2
}
return T.MakeTuple2(as, bs)
}