Readers

```go /* Exercise: Readers Implement a Reader type that emits an infinite stream of the ASCII character ‘A’. */

package main

import “golang.org/x/tour/reader”

type myReader struct{}

func (r myReader) Read(c []byte) (int, error) { i := 0 for ; i < len©; i++ { c[i] = ‘A’ } for ; i < cap©; i++ { c = append(c, ‘A’) }

return cap(c), nil

}

func main() { reader.Validate(myReader{}) }