split project with app & doric module

doric-Qt/example/doric/template/DoricSingleton.h

@@ -0,0 +1,20 @@
+#ifndef SINGLETON_H
+#define SINGLETON_H
+
+#include <QDebug>
+
+class DoricSingleton {
+private:
+  static DoricSingleton *local_instance;
+  DoricSingleton() { qDebug() << "constructor"; }
+
+  ~DoricSingleton() { qDebug() << "destructor"; }
+
+public:
+  static DoricSingleton *getInstance() {
+    static DoricSingleton instance;
+    return &instance;
+  }
+};
+
+#endif // SINGLETON_H