23 lines
388 B
Go
23 lines
388 B
Go
package main
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import "bytes"
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import "io"
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import "code.squareroundforest.org/arpio/wand"
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func main() {
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wand.Exec(func(in io.Reader) (out io.Reader) {
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out = bytes.NewBuffer(nil)
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buf := make([]byte, 1)
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for {
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n, err := in.Read(buf)
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if n == 1 {
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buf[0] = buf[0] * 2
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out.(io.Writer).Write(buf)
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}
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if err != nil {
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return out
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}
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}
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return out
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})
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} |