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77 lines
2.4 KiB
Go
77 lines
2.4 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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)
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// these functions curry a golang function with the context as the firsr parameter into a reader with the context as the last parameter, which
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// is a equivalent to a function returning a reader of that context
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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 Curry0[GA ~func(R) A, R, A any](f func(R) A) GA {
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return MakeReader[GA](f)
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}
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func Curry1[GA ~func(R) A, R, T1, A any](f func(R, T1) A) func(T1) GA {
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return F.Curry1(From1[GA](f))
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}
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func Curry2[GA ~func(R) A, R, T1, T2, A any](f func(R, T1, T2) A) func(T1) func(T2) GA {
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return F.Curry2(From2[GA](f))
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}
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func Curry3[GA ~func(R) A, R, T1, T2, T3, A any](f func(R, T1, T2, T3) A) func(T1) func(T2) func(T3) GA {
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return F.Curry3(From3[GA](f))
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}
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func Curry4[GA ~func(R) A, R, T1, T2, T3, T4, A any](f func(R, T1, T2, T3, T4) A) func(T1) func(T2) func(T3) func(T4) GA {
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return F.Curry4(From4[GA](f))
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}
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func Uncurry0[GA ~func(R) A, R, A any](f GA) func(R) A {
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return f
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}
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func Uncurry1[GA ~func(R) A, R, T1, A any](f func(T1) GA) func(R, T1) A {
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uc := F.Uncurry1(f)
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return func(r R, t1 T1) A {
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return uc(t1)(r)
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}
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}
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func Uncurry2[GA ~func(R) A, R, T1, T2, A any](f func(T1) func(T2) GA) func(R, T1, T2) A {
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uc := F.Uncurry2(f)
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return func(r R, t1 T1, t2 T2) A {
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return uc(t1, t2)(r)
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}
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}
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func Uncurry3[GA ~func(R) A, R, T1, T2, T3, A any](f func(T1) func(T2) func(T3) GA) func(R, T1, T2, T3) A {
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uc := F.Uncurry3(f)
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return func(r R, t1 T1, t2 T2, t3 T3) A {
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return uc(t1, t2, t3)(r)
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}
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}
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func Uncurry4[GA ~func(R) A, R, T1, T2, T3, T4, A any](f func(T1) func(T2) func(T3) func(T4) GA) func(R, T1, T2, T3, T4) A {
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uc := F.Uncurry4(f)
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return func(r R, t1 T1, t2 T2, t3 T3, t4 T4) A {
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return uc(t1, t2, t3, t4)(r)
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}
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}
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