From a9723dfb978cea882f0e6d009661cf436db7da06 Mon Sep 17 00:00:00 2001
From: Alexander Kuleshov <kuleshovmail@gmail.com>
Date: Tue, 29 Mar 2016 00:39:40 +0600
Subject: [PATCH] update Stack.add

---
 stack/stack.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stack/stack.go b/stack/stack.go
index cc2af21..1c7b22d 100644
--- a/stack/stack.go
+++ b/stack/stack.go
@@ -30,11 +30,11 @@ func (stack *Stack) IsEmpty() bool {
 }
 
 func (stack *Stack) Push(value interface{}) {
-    stack.len += 1
     add(stack, value)
 } 
 
 func add(slice *Stack, value interface{}) {
+    slice.len += 1
     var tmpSlice []interface{} = make([]interface{}, slice.len)
     if slice.len == 0 {
         slice.st[0] = value