diff -r 41caee260bd4 -r 43a3d06e0ee0 src/work/athos/lp_old/expression_test.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/work/athos/lp_old/expression_test.cc	Wed Mar 23 09:49:41 2005 +0000
@@ -0,0 +1,23 @@
+#include <expression.h>
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+using namespace lemon;
+
+int main() {
+  Expr<string, double> b;
+  cout << b << endl;
+  Expr<string, double> c("f");
+  cout << c << endl;
+  Expr<string, double> d=8.0*string("g");
+  cout << d << endl;
+  c*=5;
+  cout << c << endl;
+  Expr<string, double> e=c;
+  e+=8.9*9.0*string("l");
+  cout << e << endl;
+  cout << c+d << endl;
+}