32 lines
412 B
Go
32 lines
412 B
Go
package counters
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import "io"
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type CounterReader struct {
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Reader io.Reader
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BytesRead int
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}
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func (r *CounterReader) Read(p []byte) (n int, err error) {
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n, err = r.Reader.Read(p)
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r.BytesRead += n
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return n, err
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}
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type CounterWriter struct {
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Writer io.Writer
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BytesRead int
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}
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func (w *CounterWriter) Write(p []byte) (n int, err error) {
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n, err = w.Writer.Write(p)
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w.BytesRead += n
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return n, err
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}
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