src/io/export_test.go - go - Git at Google

 // 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 io

 // exported for test
 var ErrInvalidWrite = errInvalidWrite
 var ErrWhence = errWhence
 var ErrOffset = errOffset
	// 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 io

	// exported for test
	var ErrInvalidWrite = errInvalidWrite
	var ErrWhence = errWhence
	var ErrOffset = errOffset