go example_test 源码

  • 2022-07-15
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golang example_test 代码


// 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 iotest_test

import (

func ExampleErrReader() {
	// A reader that always returns a custom error.
	r := iotest.ErrReader(errors.New("custom error"))
	n, err := r.Read(nil)
	fmt.Printf("n:   %d\nerr: %q\n", n, err)

	// Output:
	// n:   0
	// err: "custom error"


go 源码目录


go logger 源码

go logger_test 源码

go reader 源码

go reader_test 源码

go writer 源码

go writer_test 源码