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42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
// Copyright (c) 2023 IBM Corp.
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// All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package generic
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import (
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O "github.com/IBM/fp-go/option"
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R "github.com/IBM/fp-go/retry"
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G "github.com/IBM/fp-go/retry/generic"
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)
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// Retry combinator for actions that don't raise exceptions, but
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// signal in their type the outcome has failed. Examples are the
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// `Option`, `Either` and `EitherT` monads.
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func Retrying[GA ~func() O.Option[A], A any](
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policy R.RetryPolicy,
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action func(R.RetryStatus) GA,
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check func(A) bool,
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) GA {
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// get an implementation for the types
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return G.Retrying(
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Chain[GA, GA, A, A],
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Chain[func() O.Option[R.RetryStatus], GA, R.RetryStatus, A],
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Of[GA, A],
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Of[func() O.Option[R.RetryStatus], R.RetryStatus],
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Delay[func() O.Option[R.RetryStatus], R.RetryStatus],
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policy, action, check)
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}
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