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59 lines
1.5 KiB
Go
59 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 predicate
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import (
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F "github.com/IBM/fp-go/v2/function"
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M "github.com/IBM/fp-go/v2/monoid"
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S "github.com/IBM/fp-go/v2/semigroup"
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)
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// SemigroupAny combines predicates via ||
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func SemigroupAny[A any]() S.Semigroup[func(A) bool] {
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return S.MakeSemigroup(func(first func(A) bool, second func(A) bool) func(A) bool {
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return F.Pipe1(
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first,
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Or(second),
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)
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})
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}
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// SemigroupAll combines predicates via &&
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func SemigroupAll[A any]() S.Semigroup[func(A) bool] {
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return S.MakeSemigroup(func(first func(A) bool, second func(A) bool) func(A) bool {
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return F.Pipe1(
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first,
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And(second),
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)
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})
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}
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// MonoidAny combines predicates via ||
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func MonoidAny[A any]() S.Semigroup[func(A) bool] {
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return M.MakeMonoid(
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SemigroupAny[A]().Concat,
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F.Constant1[A](false),
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)
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}
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// MonoidAll combines predicates via &&
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func MonoidAll[A any]() S.Semigroup[func(A) bool] {
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return M.MakeMonoid(
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SemigroupAll[A]().Concat,
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F.Constant1[A](true),
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)
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}
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