| //go:build OMIT | |
| // 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. | |
| 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{}) | |
| } |