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| -rw-r--r-- | src/tuplr.hpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/tuplr.hpp b/src/tuplr.hpp index 0390435..dce52b2 100644 --- a/src/tuplr.hpp +++ b/src/tuplr.hpp @@ -68,6 +68,7 @@ template<typename K, typename V> struct Env : public list< vector< pair<K,V> > > { typedef vector< pair<K,V> > Frame; Env() : list<Frame>(1) {} + virtual ~Env() {} virtual void push(Frame f=Frame()) { list<Frame>::push_front(f); } virtual void pop() { list<Frame>::pop_front(); } const V& def(const K& k, const V& v) { |