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39 lines
1.0 KiB
Go
39 lines
1.0 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 functor
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func flap[FAB ~func(A) B, A, B any](a A) func(FAB) B {
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return func(f FAB) B {
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return f(a)
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}
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}
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func MonadFlap[FAB ~func(A) B, A, B, HKTFAB, HKTB any](
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fmap func(HKTFAB, func(FAB) B) HKTB,
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fab HKTFAB,
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a A,
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) HKTB {
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return fmap(fab, flap[FAB, A, B](a))
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}
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func Flap[FAB ~func(A) B, A, B, HKTFAB, HKTB any](
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fmap func(func(FAB) B) func(HKTFAB) HKTB,
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a A,
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) func(HKTFAB) HKTB {
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return fmap(flap[FAB, A, B](a))
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}
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