[Upd] Make GenericOperator registrable.

include/aidge/operator/GenericOperator.hpp

@@ -26,7 +26,7 @@
 namespace Aidge {
 class GenericOperator_Op
     : public OperatorTensor,
-      public Registrable<GenericOperator_Op, std::string, std::function<std::unique_ptr<OperatorImpl>(std::shared_ptr<GenericOperator_Op>)>> {
+      public Registrable<GenericOperator_Op, std::array<std::string, 2>, std::function<std::shared_ptr<OperatorImpl>(const GenericOperator_Op &)>> {
 private:
     using ComputeDimsFunc = std::function<std::vector<std::vector<size_t>>(const std::vector<std::vector<size_t>>&)>;
 

python_binding/operator/pybind_GenericOperator.cpp

@@ -64,5 +64,7 @@ void init_GenericOperator(py::module& m) {
             }
             return genericNode;
         }, py::arg("type"), py::arg("nb_data"), py::arg("nb_param"), py::arg("nb_out"), py::arg("name") = "");
+
+    declare_registrable<GenericOperator_Op>(m, "GenericOperatorOp");
 }
 }  // namespace Aidge

src/operator/GenericOperator.cpp

@@ -86,7 +86,15 @@ bool Aidge::GenericOperator_Op::forwardDims(bool /*allowDataDependency*/) {
 }
 
 void Aidge::GenericOperator_Op::setBackend(const std::string & name, DeviceIdx_t device) {
-    Log::warn("GenericOperator::setBackend(): cannot set backend for a generic operator, as no implementation has been provided!");
+    if (Registrar<GenericOperator_Op>::exists({name, type()})) {
+        // A custom implementation exists for this meta operator
+        mImpl = Registrar<GenericOperator_Op>::create({name, type()})(*this);
+    }else{
+        Log::warn("GenericOperator::setBackend(): cannot set backend for a generic operator, as no implementation has been provided!");
+    }
+
+
+
 
     for (std::size_t i = 0; i < nbOutputs(); ++i) {
         mOutputs[i]->setBackend(name, device);
@@ -108,4 +116,4 @@ std::shared_ptr<Aidge::Node> Aidge::GenericOperator(const std::string& type,
                                                 Aidge::IOIndex_t nbOut,
                                                 const std::string& name) {
     return std::make_shared<Node>(std::make_shared<GenericOperator_Op>(type, nbData, nbParam, nbOut), name);
-}
+}
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