Fix impl issues

include/rtg/program.hpp

@@ -15,9 +15,9 @@ struct program_impl;
 
 struct program
 {
-    program();;
-    program(program&&) = default;
-    program& operator=(program&&) = default;
+    program();
+    program(program&&) noexcept;
+    program& operator=(program&&);
     ~program();
 
     template <class... Ts>

onnx/read_onnx.cpp

@@ -41,13 +41,14 @@ struct onnx_parser
 {
     using attribute_map = std::unordered_map<std::string, onnx::AttributeProto>;
     using node_map      = std::unordered_map<std::string, onnx::NodeProto>;
+    using op_func = std::function<rtg::instruction*(attribute_map, std::vector<rtg::instruction*>)>;
     node_map nodes;
     std::unordered_map<std::string, rtg::instruction*> instructions;
-    rtg::program prog = std::make_shared<rtg::program>();
+    rtg::program prog = rtg::program();
 
     std::unordered_map<
         std::string,
-        std::function<rtg::instruction*(attribute_map, std::vector<rtg::instruction*>)>>
+        op_func>
         ops;
 
     onnx_parser()
@@ -305,7 +306,6 @@ int main(int argc, char const* argv[])
         }
         catch(...)
         {
-            if(parser.prog)
             parser.prog.print();
             throw;
         }

src/program.cpp

@@ -16,8 +16,9 @@ program::program()
 : impl(std::make_unique<program_impl>())
 {}
 
-program::~program()
-{}
+program::program(program&&) noexcept = default;
+program& program::operator=(program&&) = default;
+program::~program() = default;
 
 instruction* program::add_instruction(operation op, std::vector<instruction*> args)
 {