The whole thing

example.cpp

@@ -0,0 +1,27 @@
+
+#include <iostream>
+#include <iomanip>
+
+#include "exceptions.h" 
+
+// Use this macro to build up your hierarchy of exceptions
+EXCEPTION( Exception, Existential_Observation );
+    EXCEPTION( Existential_Observation, Buddhist_Observation );
+        EXCEPTION( Buddhist_Observation, Zen_Observation );
+    EXCEPTION( Existential_Observation, Pastafarism_Observation );
+
+int main()
+{
+    try {
+        double pi = 3.1415926535;
+        // Use this macro to easily throw an exception with a dynamic message
+        RAISE( Pastafarism_Observation, std::setprecision(3) << "Shit happens with " << pi << " noodly appendages" );
+
+        // Or, if you prefer, use the standard way, but you'll have to indicate E_INFOS yourself
+        throw( Zen_Observation( "What is the sound of shit happening?", E_INFOS) );
+
+    } catch( Existential_Observation & e ) {
+        std::cerr << e.what() << std::endl;
+    }
+}
+