go example_test 源码
golang example_test 代码
文件路径：/src/log/example_test.go
// Copyright 2013 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 log_test
import (
"bytes"
"fmt"
"log"
)
func ExampleLogger() {
var (
buf bytes.Buffer
logger = log.New(&buf, "logger: ", log.Lshortfile)
)
logger.Print("Hello, log file!")
fmt.Print(&buf)
// Output:
// logger: example_test.go:19: Hello, log file!
}
func ExampleLogger_Output() {
var (
buf bytes.Buffer
logger = log.New(&buf, "INFO: ", log.Lshortfile)
infof = func(info string) {
logger.Output(2, info)
}
)
infof("Hello world")
fmt.Print(&buf)
// Output:
// INFO: example_test.go:36: Hello world
}
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