// Copyright (c) 2023 IBM Corp. // All rights reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package endomorphism import ( F "github.com/IBM/fp-go/function" M "github.com/IBM/fp-go/monoid" S "github.com/IBM/fp-go/semigroup" ) // Semigroup for the Endomorphism where the `concat` operation is the usual function composition. func Semigroup[A any]() S.Semigroup[func(A) A] { return S.MakeSemigroup(F.Flow2[func(A) A, func(A) A]) } // Monoid for the Endomorphism where the `concat` operation is the usual function composition. func Monoid[A any]() M.Monoid[func(A) A] { return M.MakeMonoid(F.Flow2[func(A) A, func(A) A], F.Identity[A]) }