golang a 代码
文件路径：/test/fixedbugs/issue35739.dir/a.go
// Copyright 2020 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 a
type myError string
func (e myError) Error() string { return string(e) }
const myErrorVal myError = "error"
func IsMyError(err error) bool {
return err == error(myErrorVal)
}