// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build ignore

package main

import "golang.org/x/tour/reader"

type MyReader struct{}

func (r MyReader) Read(b []byte) (int, error) {
	for i := range b {
		b[i] = 'A'
	}
	return len(b), nil
}

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