refs #2,#6 Add a simple harness from app.d and add debug output

source/app.d

@@ -1,8 +1,34 @@
 import std.stdio;
+import std.json;
 
 import lambd.layer;
+import lambd.bootstrap;
 
 void main()
 {
-	writeln("Edit source/app.d to start your project.");
+	//
+	// Initialize the context
+	// Normally this is coming from the AWS Lambda infrastructure
+	auto myctx = LambdaContext ("myfunc",
+						"somefakearn",
+						"1.0.0",
+						512, /* mb */
+						"someloggroupname",
+						"somelogstreamname",
+						"somefakeawsrequestID",
+						3000, /* only run for 3000ms */
+						parseJSON("{}"), /* Fill in with an AWS identity JSON */
+						parseJSON("{}") /* Fill in with some AWS client context */
+	);
+	//
+	// Create a fake event
+	//
+	JSONValue evt = parseJSON("{}");
+	evt.object["count"] = JSONValue(20);
+	// XXX TODO: Move this into some test harness code
+	// For now this serves as an executable tester
+	JSONValue result = handler(evt, myctx);
+
+	// dump to string for visual inspection
+	writeln("results:", result.toString());
 }

source/bootstrap.d

@@ -18,6 +18,9 @@ import lambd.layer;
     // - some cool crypto stuff
     // - break the Internet
 
+    //
+    // YOU SHOULD DELETE EVERYTHING BELOW HERE AND REPLACE WITH YOUR OWN LAMBDA
+    //
     // For this quick example, we will simply generate UUIDs
     // event should contain:
     // - (optional) inputdata: [] array, with input data strings
@@ -32,6 +35,7 @@ import lambd.layer;
         // TODO: Implement
     } else if (const(JSONValue)* count = "count" in evt) {
         uuidcount = to!int(count.integer);
+        writeln("Generate ", uuidcount, " UUIDs");
     } else {
         // assume count = 1;
         writeln("Performing default UUID gen count = 1");