29 lines
590 B
Go
29 lines
590 B
Go
package nullio
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import (
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"fmt"
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"io"
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)
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// Reader is a struct that implements the io.Reader interface. Read does not return when called.
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type Reader struct{}
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func (r Reader) Read(_ []byte) (int, error) {
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// An empty select blocks forever.
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select {}
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}
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// ReadWriter implements io.ReadWriter. It does not return from Read and discards everything on Write.
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type ReadWriter struct {
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Reader
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}
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func (rw *ReadWriter) Write(p []byte) (int, error) {
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n, err := io.Discard.Write(p)
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if err != nil {
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return n, fmt.Errorf("error writing to io.Discard: %w", err)
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} else {
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return n, nil
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}
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}
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