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35 lines
1.1 KiB
Go
35 lines
1.1 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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"context"
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E "github.com/IBM/fp-go/either"
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ET "github.com/IBM/fp-go/either"
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IOE "github.com/IBM/fp-go/ioeither/generic"
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)
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// withContext wraps an existing IOEither and performs a context check for cancellation before delegating
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func WithContext[GIO ~func() E.Either[error, A], A any](ctx context.Context, ma GIO) GIO {
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return IOE.MakeIO[GIO](func() E.Either[error, A] {
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if err := context.Cause(ctx); err != nil {
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return ET.Left[A](err)
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}
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return ma()
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})
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}
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