// 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 ( ET "github.com/IBM/fp-go/either" F "github.com/IBM/fp-go/function" IF "github.com/IBM/fp-go/internal/file" ) // WithResource constructs a function that creates a resource, then operates on it and then releases the resource func WithResource[ GA ~func() ET.Either[E, A], GR ~func() ET.Either[E, R], GANY ~func() ET.Either[E, ANY], E, R, A, ANY any](onCreate GR, onRelease func(R) GANY) func(func(R) GA) GA { return IF.WithResource( MonadChain[GR, GA, E, R, A], MonadFold[GA, GA, E, A, ET.Either[E, A]], MonadFold[GANY, GA, E, ANY, ET.Either[E, A]], MonadMap[GANY, GA, E, ANY, A], Left[GA, E, A], )(F.Constant(onCreate), onRelease) }