resolve Scott's comment about construction

src/ngraph/op/recv.cpp

@@ -19,8 +19,10 @@
 using namespace std;
 using namespace ngraph;
 
+const string op::Recv::type_name{"Recv"};
+
 op::Recv::Recv(const shared_ptr<Node>& arg, int src_id)
-    : Op("Recv", check_single_output_args({arg}))
+    : Op(check_single_output_args({arg}))
     , m_src_id(src_id)
 {
     constructor_validate_and_infer_types();

src/ngraph/op/recv.hpp

@@ -27,7 +27,11 @@ namespace ngraph
         class Recv : public Op
         {
         public:
-            Recv(const std::shared_ptr<Node>& arg, int src_id = 0);
+            NGRAPH_API
+            static const std::string type_name;
+            const std::string& description() const override { return type_name; }
+
+            Recv(const std::shared_ptr<Node>& arg, int src_id);
 
             void validate_and_infer_types() override;
 

src/ngraph/op/send.cpp

@@ -19,8 +19,10 @@
 using namespace std;
 using namespace ngraph;
 
+const string op::Send::type_name{"Send"};
+
 op::Send::Send(const shared_ptr<Node>& arg, int dest_id)
-    : Op("Send", check_single_output_args({arg}))
+    : Op(check_single_output_args({arg}))
     , m_dest_id(dest_id)
 {
     constructor_validate_and_infer_types();

src/ngraph/op/send.hpp

@@ -27,7 +27,11 @@ namespace ngraph
         class Send : public Op
         {
         public:
-            Send(const std::shared_ptr<Node>& arg, int dest_id = 0);
+            NGRAPH_API
+            static const std::string type_name;
+            const std::string& description() const override { return type_name; }
+
+            Send(const std::shared_ptr<Node>& arg, int dest_id);
 
             void validate_and_infer_types() override;