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https://github.com/IBM/fp-go.git
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83 lines
1.9 KiB
Go
83 lines
1.9 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 ioeither
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import (
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"fmt"
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A "github.com/IBM/fp-go/array"
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E "github.com/IBM/fp-go/either"
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F "github.com/IBM/fp-go/function"
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"github.com/stretchr/testify/assert"
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TST "github.com/IBM/fp-go/internal/testing"
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"testing"
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)
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func TestMapSeq(t *testing.T) {
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var results []string
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handler := func(value string) IOEither[error, string] {
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return func() E.Either[error, string] {
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results = append(results, value)
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return E.Of[error](value)
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}
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}
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src := A.From("a", "b", "c")
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res := F.Pipe2(
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src,
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TraverseArraySeq(handler),
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Map[error](func(data []string) bool {
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return assert.Equal(t, data, results)
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}),
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)
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assert.Equal(t, E.Of[error](true), res())
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}
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func TestSequenceArray(t *testing.T) {
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s := TST.SequenceArrayTest(
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FromStrictEquals[error, bool](),
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Pointed[error, string](),
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Pointed[error, bool](),
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Functor[error, []string, bool](),
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SequenceArray[error, string],
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)
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for i := 0; i < 10; i++ {
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t.Run(fmt.Sprintf("TestSequenceArray %d", i), s(i))
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}
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}
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func TestSequenceArrayError(t *testing.T) {
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s := TST.SequenceArrayErrorTest(
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FromStrictEquals[error, bool](),
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Left[string, error],
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Left[bool, error],
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Pointed[error, string](),
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Pointed[error, bool](),
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Functor[error, []string, bool](),
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SequenceArray[error, string],
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)
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// run across four bits
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s(4)(t)
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}
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