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75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
// Copyright (c) 2023 - 2025 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 identity
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import (
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"github.com/IBM/fp-go/v2/function"
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"github.com/IBM/fp-go/v2/internal/chain"
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"github.com/IBM/fp-go/v2/internal/functor"
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)
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func MonadAp[B, A any](fab func(A) B, fa A) B {
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return fab(fa)
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}
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func Ap[B, A any](fa A) Operator[func(A) B, B] {
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return function.Bind2nd(MonadAp[B, A], fa)
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}
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func MonadMap[A, B any](fa A, f func(A) B) B {
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return f(fa)
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}
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func Map[A, B any](f func(A) B) Operator[A, B] {
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return f
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}
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func MonadMapTo[A, B any](_ A, b B) B {
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return b
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}
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func MapTo[A, B any](b B) func(A) B {
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return function.Constant1[A](b)
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}
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func Of[A any](a A) A {
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return a
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}
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func MonadChain[A, B any](ma A, f Kleisli[A, B]) B {
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return f(ma)
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}
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func Chain[A, B any](f Kleisli[A, B]) Operator[A, B] {
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return f
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}
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func MonadChainFirst[A, B any](fa A, f Kleisli[A, B]) A {
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return chain.MonadChainFirst(MonadChain[A, A], MonadMap[B, A], fa, f)
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}
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func ChainFirst[A, B any](f Kleisli[A, B]) Operator[A, A] {
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return chain.ChainFirst(Chain[A, A], Map[B, A], f)
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}
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func MonadFlap[B, A any](fab func(A) B, a A) B {
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return functor.MonadFlap(MonadMap[func(A) B, B], fab, a)
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}
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func Flap[B, A any](a A) Operator[func(A) B, B] {
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return functor.Flap(Map[func(A) B, B], a)
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}
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