diff --git a/heap.cpp b/heap.cpp
index ad0526e..6429600 100644
--- a/heap.cpp
+++ b/heap.cpp
@@ -10,6 +10,7 @@ public:
     void print() const;
     bool empty() const;
 
+    static std::vector<int>& sort(std::vector<int>&);
     Heap(std::vector<int> v);
 private:
     std::vector<int> data;
@@ -19,8 +20,13 @@ private:
     void dump(std::ofstream&, int) const;
 };
 
-Heap::Heap(std::vector<int> v): data(std::move(v)){
+std::vector<int>& Heap::sort(std::vector<int>& v){
+    Heap h(v);
+    for(auto& i: v) i = h.pop();
+    return v;
+}
 
+Heap::Heap(std::vector<int> v): data(std::move(v)){
     for(int i = data.size()/2; i >= 0; i--){
         bubble_down(i);
     }
@@ -92,13 +98,17 @@ void Heap::print() const {
 
 
 int main() {
-    Heap h({9, 7, 6, 5, 4, 3, 2, 1, 0, -3, 8});
 
+    Heap h({9, 7, 6, 5, 4, 3, 2, 1, 0, -3, 8});
+    std::vector<int> v = {4,6,2,8,0,56,3,4,7,8,2,3,45,5,4,2,432,69,42};
+    Heap::sort(v);
+    for(auto& i: v){
+        std::cout<<i<<", ";
+    }
     // for (auto i : v) {
     //     h.push(i);
         h.print();
     // }
-
     // while (!h.empty()){
     //     int i = h.pop();
     //     h.print();