tvl-depot/tvix/nar-bridge-go/pkg/importer/counting_writer.go

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package importer
import (
"io"
)
// CountingWriter implements io.Writer.
var _ io.Writer = &CountingWriter{}
type CountingWriter struct {
bytesWritten uint64
}
func (cw *CountingWriter) Write(p []byte) (n int, err error) {
cw.bytesWritten += uint64(len(p))
return len(p), nil
}
func (cw *CountingWriter) BytesWritten() uint64 {
return cw.bytesWritten
}