// 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 generic import ( G "github.com/IBM/fp-go/internal/bracket" I "github.com/IBM/fp-go/io/generic" O "github.com/IBM/fp-go/option" ) // Bracket makes sure that a resource is cleaned up in the event of an error. The release action is called regardless of // whether the body action returns and error or not. func Bracket[ GA ~func() O.Option[A], GB ~func() O.Option[B], GANY ~func() O.Option[ANY], A, B, ANY any]( acquire GA, use func(A) GB, release func(A, O.Option[B]) GANY, ) GB { return G.Bracket[GA, GB, GANY, O.Option[B], A, B]( I.Of[GB, O.Option[B]], MonadChain[GA, GB, A, B], I.MonadChain[GB, GB, O.Option[B], O.Option[B]], MonadChain[GANY, GB, ANY, B], acquire, use, release, ) }