flower-1.0.20

diff --git a/flower/sstack.hh b/flower/sstack.hh
index fb4d68c3a5f295da8beae35bb482f368645f7f3a..11c39a0f41fb891372f621310f8b18b149ae2701 100644 (file)
--- a/flower/sstack.hh
+++ b/flower/sstack.hh
@@ -12,7 +12,7 @@
 /// A simple stack based on Array.
 template<class T>
 struct sstack : Array<T> { 
-    T top() { return last(); }
+    T top()const { return last(); }
     T pop() {
        assert(!empty());
        T l = last();