28 lines
377 B
Go
28 lines
377 B
Go
package main
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import (
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"io"
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"os"
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"strings"
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)
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type rot13Reader struct {
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r io.Reader
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}
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func (r rot13Reader) Read(p []byte) (n int, err error) {
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if len(p) == 0 {
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return 0, nil
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}
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if r.i >= len(r.s) {
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return 0, io.EOF
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}
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return
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}
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func main() {
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s := strings.NewReader("Lbh penpxrq gur pbqr!")
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r := rot13Reader{s}
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io.Copy(os.Stdout, &r)
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}
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