Fix clang compilation

include/aidge/operator/AvgPooling.hpp

@@ -109,14 +109,8 @@ inline std::shared_ptr<Node> AvgPooling(
     static_assert(DIM<=MaxDim,"Too many kernel dimensions required by AvgPooling, not supported");
     return AvgPooling(to_array(kernel_dims), name, stride_dims);
 }
-
-
 }  // namespace Aidge
 
-template class Aidge::StaticAttributes<Aidge::AvgPoolingAttr, std::array<Aidge::DimSize_t, 1>, std::array<Aidge::DimSize_t, 1>>;
-template class Aidge::StaticAttributes<Aidge::AvgPoolingAttr, std::array<Aidge::DimSize_t, 2>, std::array<Aidge::DimSize_t, 2>>;
-template class Aidge::StaticAttributes<Aidge::AvgPoolingAttr, std::array<Aidge::DimSize_t, 3>, std::array<Aidge::DimSize_t, 3>>;
-template class Aidge::StaticAttributes<Aidge::AvgPoolingAttr, std::array<Aidge::DimSize_t, 4>, std::array<Aidge::DimSize_t, 4>>;
 extern template class Aidge::AvgPooling_Op<1>;
 extern template class Aidge::AvgPooling_Op<2>;
 extern template class Aidge::AvgPooling_Op<3>;
@@ -124,8 +118,10 @@ extern template class Aidge::AvgPooling_Op<4>;
 
 namespace {
 template <>
-const char *const EnumStrings<Aidge::AvgPoolingAttr>::data[] = {"StrideDims",
-                                                          "KernelDims"};
+const char *const EnumStrings<Aidge::AvgPoolingAttr>::data[] = {
+    "StrideDims",
+    "KernelDims"
+};
 }
 
 #endif /* AIDGE_CORE_OPERATOR_AVGPOOLING_H_ */

include/aidge/utils/Attributes.hpp

@@ -35,8 +35,6 @@ namespace Aidge {
 template<class T, std::size_t N>
 constexpr std::size_t size(T (&)[N]) { return N; }
 
-template<std::size_t N>
-constexpr std::size_t size(const char* const (&)[N]) { return N; }
 
 /* This abstract class allows to avoid binding Attributes.
 *  Otherwise we would need to bind every template possible of Attributes.