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fp-go/v2/ioeither/file/readall.go
Dr. Carsten Leue 2db7e83651 fix: introduce IOResult
Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
2025-11-10 16:26:52 +01:00

41 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 file
import (
"io"
FL "github.com/IBM/fp-go/v2/file"
F "github.com/IBM/fp-go/v2/function"
"github.com/IBM/fp-go/v2/ioeither"
)
var (
// readAll is the adapted version of [io.ReadAll]
readAll = ioeither.Eitherize1(io.ReadAll)
)
// ReadAll uses a generator function to create a stream, reads it and closes it
func ReadAll[R io.ReadCloser](acquire IOEither[error, R]) IOEither[error, []byte] {
return F.Pipe1(
F.Flow2(
FL.ToReader[R],
readAll,
),
ioeither.WithResource[[]byte](acquire, Close[R]),
)
}