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Source file
src/sync/example_pool_test.go
Documentation: sync
1
2
3
4
5 package sync_test
6
7 import (
8 "bytes"
9 "io"
10 "os"
11 "sync"
12 "time"
13 )
14
15 var bufPool = sync.Pool{
16 New: func() interface{} {
17
18
19
20 return new(bytes.Buffer)
21 },
22 }
23
24
25 func timeNow() time.Time {
26 return time.Unix(1136214245, 0)
27 }
28
29 func Log(w io.Writer, key, val string) {
30 b := bufPool.Get().(*bytes.Buffer)
31 b.Reset()
32
33 b.WriteString(timeNow().UTC().Format(time.RFC3339))
34 b.WriteByte(' ')
35 b.WriteString(key)
36 b.WriteByte('=')
37 b.WriteString(val)
38 w.Write(b.Bytes())
39 bufPool.Put(b)
40 }
41
42 func ExamplePool() {
43 Log(os.Stdout, "path", "/search?q=flowers")
44
45 }
46
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