diff --git a/src/stdplus/flags.hpp b/src/stdplus/flags.hpp
new file mode 100644
index 0000000..047c776
--- /dev/null
+++ b/src/stdplus/flags.hpp
@@ -0,0 +1,46 @@
+#pragma once
+#include <utility>
+
+namespace stdplus
+{
+
+template <typename Int, typename Flag = Int>
+class BitFlags
+{
+  public:
+    inline explicit BitFlags(Int val = 0) noexcept : val(val)
+    {
+    }
+
+    inline BitFlags& set(Flag flag) & noexcept
+    {
+        val |= static_cast<Int>(flag);
+        return *this;
+    }
+    inline BitFlags&& set(Flag flag) && noexcept
+    {
+        val |= static_cast<Int>(flag);
+        return std::move(*this);
+    }
+
+    inline BitFlags& unset(Flag flag) & noexcept
+    {
+        val &= ~static_cast<Int>(flag);
+        return *this;
+    }
+    inline BitFlags&& unset(Flag flag) && noexcept
+    {
+        val &= ~static_cast<Int>(flag);
+        return std::move(*this);
+    }
+
+    explicit inline operator Int() const noexcept
+    {
+        return val;
+    }
+
+  private:
+    Int val;
+};
+
+} // namespace stdplus