tqchen commented on a change in pull request #4628: [Object] Add String
container
URL: https://github.com/apache/incubator-tvm/pull/4628#discussion_r374450428
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File path: include/tvm/runtime/container.h
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@@ -274,7 +276,181 @@ class ADT : public ObjectRef {
TVM_DEFINE_OBJECT_REF_METHODS(ADT, ObjectRef, ADTObj);
};
+/*! \brief An object representing string. It's POD type. */
+class StringObj : public Object {
+ public:
+ /*! \brief The length of the string object. */
+ uint32_t size;
+
+ /*! \brief The pointer to string data. */
+ const char* data;
+
+ static constexpr const uint32_t _type_index = TypeIndex::kDynamic;
+ static constexpr const char* _type_key = "String";
+ TVM_DECLARE_FINAL_OBJECT_INFO(StringObj, Object);
+
+ private:
+ /*! \brief String object which is moved from std::string container. */
+ class FromStd;
+
+ friend class String;
+};
+
+/*! \brief reference to string objects. */
+class String : public ObjectRef {
+ public:
+ /*!
+ * \brief Construct a new String object
+ *
+ * \param other The moved/copied std::string object
+ *
+ * \note If user passes const reference, it will trigger copy. If it's
rvalue,
+ * it will be moved into other.
+ */
+ inline explicit String(std::string other);
+
Review comment:
Need also to overload operator=(std::string other)
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