Added simple function example and relevant slides

simplefunctions/main.cc

@@ -0,0 +1,25 @@
+#include <v8.h>
+#include <node.h>
+using namespace v8;
+
+Handle<Value> Square(const Arguments &args) {
+    HandleScope scope;
+
+    int a = args[0]->Int32Value();
+    int sq = a * a;
+
+    return scope.Close(Integer::New(sq));
+}
+
+extern "C" {
+    static void Init(Handle<Object> target) {
+        HandleScope scope;
+
+        Handle<FunctionTemplate> squareTpl =
+            FunctionTemplate::New(Square);
+
+        target->Set(String::New("square"),
+                    squareTpl->GetFunction());
+    }
+    NODE_MODULE(simplefunctions, Init)
+}

simplefunctions/wscript

@@ -0,0 +1,13 @@
+import Options
+
+def set_options(opt):
+    opt.tool_options("compiler_cxx")
+
+def configure(conf):
+    conf.check_tool("compiler_cxx")
+    conf.check_tool("node_addon")
+
+def build(bld):
+    obj = bld.new_task_gen("cxx", "shlib", "node_addon")
+    obj.target = "simplefunctions"
+    obj.source = "main.cc"

slides.rst

@@ -96,3 +96,46 @@ Injecting primitives
     :include: primitives/primitives.cc
 
 
+Templates
+---------
+
+* Creation of functions and objects in C++
+
+.. note::
+
+    Explain how they differ, what each is for and
+    whats the deal with FunctionTemplate && FunctionTemplate::GetFunction
+
+Simple functions
+----------------
+
+Registering with V8:
+
+.. code-block:: cpp
+    :include: simplefunctions/main.cc
+    :start-at: Handle<Value>
+    :end-before: {
+
+.. code-block:: cpp
+    :include: simplefunctions/main.cc
+    :start-at: static void
+    :end-before: NODE_MODULE
+
+TODO TODO TODO
+
+Simple functions
+----------------
+
+Implementation:
+
+.. code-block:: cpp
+    :include: simplefunctions/main.cc
+    :start-after: {
+    :end-before: }
+
+ObjectWrap
+----------
+
+TODO diagram of how the nesting happens of native object and v8 object
+
+MakeCallback