Tings

- Added some testing mixin template

source/dante/tings.d

@@ -0,0 +1,27 @@
+module dante.tings;
+
+import dante;
+import dante.exceptions : ProtocolException;
+import davinci.base : Command;
+public mixin template Expect_n_handle(ExpectedType, alias command)
+if(__traits(isSame, typeof(command), Command))
+{
+    /** 
+     * Check that we can cast to `ExpectedType`
+     *
+     * If not, we throw anexception
+     */
+    ExpectedType expectedMessage = cast(ExpectedType)command;
+    
+    
+
+    void Expect_n_handle()
+    {
+        import std.stdio : writeln;
+        writeln("Hello testing");
+        if(expectedMessage is null)
+        {
+            throw ProtocolException.expectedMessageKind(expectedMessage.classinfo, command);
+        }
+    }
+}