[C++20] Clean up using-declarations.

[ginac.git] / doc / examples / archive1.cpp

diff --git a/doc/examples/archive1.cpp b/doc/examples/archive1.cpp
index 6361beccd60fa7d75d140e44b28b12597a1bf8d9..cf55ee5af56820e025a69ff40d57366203bc00d7 100644 (file)
--- a/doc/examples/archive1.cpp
+++ b/doc/examples/archive1.cpp
@@ -3,8 +3,9 @@
  */
 
 #include <fstream>
-using namespace std;
 #include <ginac/ginac.h>
+
+using namespace std;
 using namespace GiNaC;
 
 int main()