1 files changed, 7 insertions, 4 deletions
diff --git a/flowgraph/node.h b/flowgraph/node.h
index 89f6088..853b017 100644
--- a/flowgraph/node.h
+++ b/flowgraph/node.h
@@ -17,7 +17,12 @@ namespace FlowGraph {
  class Node
  {
  public:
+  Node(){}
+  Node(std::vector<Data> operands): mOperands(operands) {}
+  std::vector<Data>& operands() { return mOperands; }
   virtual ~Node() {}; // force class to be polymorphic (e.g. in a container)
+ private:
+  std::vector<Data> mOperands;
  };
  
  // Memory on Heap: new and delete
@@ -146,13 +151,11 @@ namespace FlowGraph {
  {
  public:
   BinaryOperation(BinaryOperationType type, Data& destination, Data& source0, Data& source1):
-   m_type(type), m_destination(destination), m_source0(source0), m_source1(source1)
+   Node(std::vector<Data>({destination, source0, source1})), m_type(type)
  {}
+  BinaryOperationType type() {return m_type;}
  private:
   BinaryOperationType m_type;
-  Data m_destination;
-  Data m_source0;
-  Data m_source1;
  };
 
 } // namespace FlowGraph