// 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" IOE "github.com/IBM/fp-go/ioeither/generic" ) // WithResource constructs a function that creates a resource, then operates on it and then releases the resource func WithResource[ GEA ~func(L) TEA, GER ~func(L) TER, GEANY ~func(L) TEANY, TEA ~func() ET.Either[E, A], TER ~func() ET.Either[E, R], TEANY ~func() ET.Either[E, ANY], L, E, R, A, ANY any](onCreate GER, onRelease func(R) GEANY) func(func(R) GEA) GEA { return func(f func(R) GEA) GEA { return func(l L) TEA { // dispatch to the generic implementation return IOE.WithResource[TEA]( onCreate(l), func(r R) TEANY { return onRelease(r)(l) }, )(func(r R) TEA { return f(r)(l) }) } } }