Drop use of deleted virtual function to support older MacOS (#8226)

* Support older MacOS * Update json.h
2022-09-07 12:25:59 -07:00 · 2022-09-07 12:25:59 -07:00 · b397d64c96
commit b397d64c96
parent dc07137a2c
1 changed files with 2 additions and 0 deletions
--- a/include/xgboost/json.h
+++ b/include/xgboost/json.h
@ -58,7 +58,9 @@ class Value {
  virtual Json& operator[](int ind);

  virtual bool operator==(Value const& rhs) const = 0;
+#if !defined(__APPLE__)
  virtual Value& operator=(Value const& rhs) = delete;
+#endif  // !defined(__APPLE__)

  std::string TypeStr() const;