1 // Copyright 2020 The Go Authors. All rights reserved.

     1 // Copyright 2020 The Go Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style

     2 // Use of this source code is governed by a BSD-style

     3 // license that can be found in the LICENSE file.

     3 // license that can be found in the LICENSE file.

     4 

     4 

     5 // +build go1.13

     6 // +build go1.13

     6 

     7 

     7 package errors

     8 package errors

     8 

     9 

     9 import "errors"

    10 import "errors"