From 9efa783749ce408e8f51d706aa7a89353853c366 Mon Sep 17 00:00:00 2001
From: Roger-luo <hiroger@qq.com>
Date: Wed, 6 Jun 2018 17:08:21 +0800
Subject: [PATCH] fix io syntax

---
 src/Blocks/IOSyntax.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Blocks/IOSyntax.jl b/src/Blocks/IOSyntax.jl
index 84de0bbb3..cd1e1ffc4 100644
--- a/src/Blocks/IOSyntax.jl
+++ b/src/Blocks/IOSyntax.jl
@@ -55,7 +55,7 @@ function print_tree(
     isa(io, IOContext) && (nodebuf = IOContext(nodebuf, io))
 
     # print circuit summary
-    if (tree == roottree) && title
+    if (tree === roottree) && title
         println(io, "Total: ", nqubits(tree), ", DataType: ", datatype(tree))
     end