1// Copyright 2020 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package a 6 7type myError string 8 9func (e myError) Error() string { return string(e) } 10 11const myErrorVal myError = "error" 12 13func IsMyError(err error) bool { 14 return err == error(myErrorVal) 15} 16