1 files changed, 55 insertions, 0 deletions
diff --git a/compiler/stdex/include/stdex/Set.h b/compiler/stdex/include/stdex/Set.h
new file mode 100644
index 000000000..2c61e0d01
--- /dev/null
+++ b/compiler/stdex/include/stdex/Set.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __STDEX_SET_H__
+#define __STDEX_SET_H__
+
+#include <set>
+
+template <typename T> bool operator==(const std::set<T> &lhs, const std::set<T> &rhs)
+{
+  if (rhs.size() != lhs.size())
+  {
+    return false;
+  }
+
+  for (const auto &element : lhs)
+  {
+    if (rhs.find(element) == rhs.end())
+    {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+template <typename T> std::set<T> operator-(const std::set<T> &lhs, const std::set<T> &rhs)
+{
+  std::set<T> res;
+
+  for (const auto &element : lhs)
+  {
+    if (rhs.find(element) == rhs.end())
+    {
+      res.insert(element);
+    }
+  }
+
+  return res;
+}
+
+#endif // __STDEX_SET_H__