A Tour of Go - Exercise: Readers

exercise-reader.go

// 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{}

// TODO: Add a Read([]byte) (int, error) method to MyReader.
func (r MyReader) Read(p []byte) (int, error) {
	p[0] = 'A'
	return 1, nil
}

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