From ca992f4f76d09965e4e62c805daa02b23266a224 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Thu, 29 Nov 2018 18:29:34 +0100
Subject: control: begin control interface implementation

---
 src/keyed.hpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/keyed.hpp

(limited to 'src/keyed.hpp')

diff --git a/src/keyed.hpp b/src/keyed.hpp
new file mode 100644
index 0000000..de3500e
--- /dev/null
+++ b/src/keyed.hpp
@@ -0,0 +1,20 @@
+#ifndef WANDA_KEYED_HPP
+#define WANDA_KEYED_HPP
+
+namespace wanda
+{
+
+template <typename Derived>
+struct keyed
+{
+  protected:
+    struct key
+    {
+    };
+
+    explicit keyed(key) {}
+};
+
+} // namespace wanda
+
+#endif
\ No newline at end of file
-- 
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