目录结构调整

gexample/encoding/ghash.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+    "strconv"
+    "fmt"
+    "gf/g/encoding/ghash"
+)
+
+func main () {
+    m := make(map[uint64]bool)
+    for i := 0; i < 100000000; i++ {
+        hash := ghash.BKDRHash64([]byte("key_" + strconv.Itoa(i)))
+        if _, ok := m[hash]; ok {
+            fmt.Printf("duplicated hash %d\n", hash)
+        } else {
+            m[hash] = true
+        }
+    }
+}
+