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51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright (c) 2023 - 2025 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 file
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import (
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"io"
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"github.com/IBM/fp-go/v2/ioeither"
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)
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func onWriteAll[W io.Writer](data []byte) Kleisli[error, W, []byte] {
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return func(w W) IOEither[error, []byte] {
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return ioeither.TryCatchError(func() ([]byte, error) {
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_, err := w.Write(data)
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return data, err
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})
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}
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}
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// WriteAll uses a generator function to create a stream, writes data to it and closes it
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func WriteAll[W io.WriteCloser](data []byte) Operator[error, W, []byte] {
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onWrite := onWriteAll[W](data)
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return func(onCreate IOEither[error, W]) IOEither[error, []byte] {
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return ioeither.WithResource[[]byte](
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onCreate,
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Close[W])(
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onWrite,
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)
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}
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}
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// Write uses a generator function to create a stream, writes data to it and closes it
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func Write[R any, W io.WriteCloser](acquire IOEither[error, W]) Kleisli[error, Kleisli[error, W, R], R] {
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return ioeither.WithResource[R](
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acquire,
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Close[W])
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}
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