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41 lines
1.5 KiB
Go
41 lines
1.5 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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G "github.com/IBM/fp-go/reader/generic"
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)
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// these functions From a golang function with the context as the firsr parameter into a either reader with the context as the last parameter
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// this goes back to the advice in https://pkg.go.dev/context to put the context as a first parameter as a convention
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func From0[GEA ~func(R) ET.Either[error, A], R, A any](f func(R) (A, error)) func() GEA {
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return G.From0[GEA](ET.Eitherize1(f))
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}
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func From1[GEA ~func(R) ET.Either[error, A], R, T1, A any](f func(R, T1) (A, error)) func(T1) GEA {
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return G.From1[GEA](ET.Eitherize2(f))
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}
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func From2[GEA ~func(R) ET.Either[error, A], R, T1, T2, A any](f func(R, T1, T2) (A, error)) func(T1, T2) GEA {
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return G.From2[GEA](ET.Eitherize3(f))
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}
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func From3[GEA ~func(R) ET.Either[error, A], R, T1, T2, T3, A any](f func(R, T1, T2, T3) (A, error)) func(T1, T2, T3) GEA {
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return G.From3[GEA](ET.Eitherize4(f))
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}
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