31 lignes
453 o
Go
31 lignes
453 o
Go
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package missinggo
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import "io"
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type StatWriter struct {
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Written int64
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w io.Writer
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}
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func (me *StatWriter) Write(b []byte) (n int, err error) {
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n, err = me.w.Write(b)
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me.Written += int64(n)
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return
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}
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func NewStatWriter(w io.Writer) *StatWriter {
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return &StatWriter{w: w}
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}
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var ZeroReader zeroReader
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type zeroReader struct{}
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func (me zeroReader) Read(b []byte) (n int, err error) {
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for i := range b {
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b[i] = 0
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}
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n = len(b)
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return
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}
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