fix: add WithLock to limit concurrency

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

iooption/generic/bracket.go

@@ -0,0 +1,46 @@
+// 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,
+	)
+}