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37 lines
590 B
37 lines
590 B
package buffer
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import (
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"encoding/gob"
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"io"
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"io/ioutil"
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"math"
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)
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type discard struct{}
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// Discard is a Buffer which writes to ioutil.Discard and read's return 0, io.EOF.
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// All of its methods are concurrent safe.
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var Discard Buffer = discard{}
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func (buf discard) Len() int64 {
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return 0
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}
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func (buf discard) Cap() int64 {
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return math.MaxInt64
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}
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func (buf discard) Reset() {}
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func (buf discard) Read(p []byte) (n int, err error) {
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return 0, io.EOF
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}
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func (buf discard) Write(p []byte) (int, error) {
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return ioutil.Discard.Write(p)
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}
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func init() {
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gob.Register(&discard{})
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}
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