go example_test 源码
golang example_test 代码
文件路径：/src/testing/iotest/example_test.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 iotest_test
import (
"errors"
"fmt"
"testing/iotest"
)
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"
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
6、 golang
-
8、 openharmony