init

client/extra.go

@@ -0,0 +1,20 @@
+package client
+
+import (
+    "fmt"
+    "math/rand"
+)
+
+type ExtraGenerator func() string
+
+func UuidV4Generator() ExtraGenerator {
+    return func() string {
+        var uuid [16]byte
+        rand.Read(uuid[:])
+
+        uuid[6] = (uuid[6] & 0x0f) | 0x40
+        uuid[8] = (uuid[8] & 0x3f) | 0x80
+
+        return fmt.Sprintf("%08x-%04x-%04x-%04x-%012x", uuid[:4], uuid[4:6], uuid[6:8], uuid[8:10], uuid[10:])
+    }
+}