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package ingest
import "os"
// fileSectionWriter writes sequentially to file via WriteAt at one base offset.
type fileSectionWriter struct {
file *os.File
off int64
pos int64
}
// Write writes src at current section position.
func (writer *fileSectionWriter) Write(src []byte) (int, error) {
if len(src) == 0 {
return 0, nil
}
n, err := writer.file.WriteAt(src, writer.off+writer.pos)
writer.pos += int64(n)
return n, err
}
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