From df3a032c5268f002b84a1f9d52bfdc384d58fc98 Mon Sep 17 00:00:00 2001
From: Alexander Kiryukhin <a.kiryukhin@mail.ru>
Date: Sat, 6 Mar 2021 22:38:08 +0300
Subject: Fix examples

---
 example/math_expression/stack.go | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'example/math_expression/stack.go')

diff --git a/example/math_expression/stack.go b/example/math_expression/stack.go
index 2ca8acc..b6c37b9 100644
--- a/example/math_expression/stack.go
+++ b/example/math_expression/stack.go
@@ -1,3 +1,5 @@
+// +build example
+
 package main
 
 // Simple lexem stack implementation.
-- 
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