I noticed that when io.Discard was introduced in
https://codereview.appspot.com/4426066/, it replaced code like:

type devNull struct{}


type devNull int

Both had the very same implementation of the Write method:

func (devNull) Write(p []byte) (int, os.Error) {
         return len(p), nil

What's the advantage of using an int in this case, if any?

Thank you,

Rodolfo Carvalho

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