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fix: small changes to readall

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2024-02-22 13:58:39 +01:00
parent 85f8071c75
commit f61507254d
1 changed files with 12 additions and 9 deletions
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21
ioeither/file/readall.go
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@@ -18,20 +18,23 @@ package file
import ( import (
"io" "io"
FL "github.com/IBM/fp-go/file"
F "github.com/IBM/fp-go/function"
IOE "github.com/IBM/fp-go/ioeither" IOE "github.com/IBM/fp-go/ioeither"
) )
func onReadAll[R io.Reader](r R) IOE.IOEither[error, []byte] { var (
return IOE.TryCatchError(func() ([]byte, error) { // readAll is the adapted version of [io.ReadAll]
return io.ReadAll(r) readAll = IOE.Eitherize1(io.ReadAll)
}) )
}
// ReadAll uses a generator function to create a stream, reads it and closes it // ReadAll uses a generator function to create a stream, reads it and closes it
func ReadAll[R io.ReadCloser](acquire IOE.IOEither[error, R]) IOE.IOEither[error, []byte] { func ReadAll[R io.ReadCloser](acquire IOE.IOEither[error, R]) IOE.IOEither[error, []byte] {
return IOE.WithResource[[]byte]( return F.Pipe1(
acquire, F.Flow2(
Close[R])( FL.ToReader[R],
onReadAll[R], readAll,
),
IOE.WithResource[[]byte](acquire, Close[R]),
) )
} }