first commit

utils/random.go

@@ -0,0 +1,20 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package utils
+
+import (
+	"math/rand"
+)
+
+type Range struct {
+	Begin int
+	End   int
+}
+
+func RandIntFromRange(r Range) int {
+	if r.End-r.Begin <= 0 {
+		return r.Begin
+	}
+	return rand.Intn((r.End-r.Begin)+1) + r.Begin
+}