Addressing comments

mindspore/ccsrc/minddata/dataset/api/execute.cc

@@ -23,7 +23,7 @@ namespace mindspore {
 namespace dataset {
 namespace api {
 
-Execute::Execute(const std::shared_ptr<TensorOperation> &op) : op_(std::move(op)) {}
+Execute::Execute(std::shared_ptr<TensorOperation> op) : op_(std::move(op)) {}
 
 std::shared_ptr<tensor::MSTensor> Execute::operator()(std::shared_ptr<tensor::MSTensor> input) {
   // Build the op

mindspore/ccsrc/minddata/dataset/include/execute.h

@@ -30,10 +30,11 @@ class TensorOp;
 
 namespace api {
 
+// class to run tensor operations in eager mode
 class Execute {
  public:
   /// \brief Constructor
-  explicit Execute(const std::shared_ptr<TensorOperation> &op);
+  explicit Execute(std::shared_ptr<TensorOperation> op);
 
   /// \brief callable function to execute the TensorOperation in eager mode
   /// \param[inout] input - the tensor to be transformed