initial import

example/pool/pool.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"zero/core/lang"
+	"zero/core/syncx"
+)
+
+func main() {
+	var count int32
+	var consumed int32
+	pool := syncx.NewPool(80, func() interface{} {
+		fmt.Printf("+ %d\n", atomic.AddInt32(&count, 1))
+		return 1
+	}, func(interface{}) {
+		fmt.Printf("- %d\n", atomic.AddInt32(&count, -1))
+	}, syncx.WithMaxAge(time.Second))
+
+	var waitGroup sync.WaitGroup
+	quit := make(chan lang.PlaceholderType)
+	waitGroup.Add(100)
+	for i := 0; i < 100; i++ {
+		go func() {
+			defer func() {
+				waitGroup.Done()
+				fmt.Println("routine quit")
+			}()
+
+			for {
+				select {
+				case <-quit:
+					return
+				default:
+					x := pool.Get().(int)
+					atomic.AddInt32(&consumed, 1)
+					pool.Put(x)
+				}
+			}
+		}()
+	}
+
+	bufio.NewReader(os.Stdin).ReadLine()
+	close(quit)
+	fmt.Println("quitted")
+	waitGroup.Wait()
+	fmt.Printf("consumed %d\n", atomic.LoadInt32(&consumed))
+}