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fp-go/v2/io/bracket.go
Dr. Carsten Leue aa5e908810 fix: introduce Kleisli type
Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
2025-11-07 14:35:46 +01:00

40 lines
1.1 KiB
Go

// Copyright (c) 2023 - 2025 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 io
import (
INTB "github.com/IBM/fp-go/v2/internal/bracket"
)
// 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[A, B, ANY any](
acquire IO[A],
use Kleisli[A, B],
release func(A, B) IO[ANY],
) IO[B] {
return INTB.Bracket[IO[A], IO[B], IO[ANY], B, A, B](
Of[B],
MonadChain[A, B],
MonadChain[B, B],
MonadChain[ANY, B],
acquire,
use,
release,
)
}