std::vector<string> encapsulated_functions;
  return Encapsulate(graphdef, library, encapsulated_functions);
}

// If there are no marked nodes, funcification should be a no-op.
TEST(EncapsulateSubgraphsTest, NoFunctions) {
  GraphDefBuilder builder(GraphDefBuilder::kFailImmediately);

  Node* a = Input(builder.opts().WithName("A"));
  Node* b = Input(builder.opts().WithName("B"));
  Node* c = Unary(a, builder.opts().WithName("C"));

// f returns 42
func f() (result int) {
	defer func() {
		// result is accessed after it was set to 6 by the return statement
		result *= 7
	}()
	return 6
}
</pre>

<h2 id="Built-in_functions">Built-in functions</h2>

<p>
Built-in functions are
<a href="#Predeclared_identifiers">predeclared</a>.
They are called like any other function but some of them

// f returns 42
func f() (result int) {
	defer func() {
		// result is accessed after it was set to 6 by the return statement
		result *= 7
	}()
	return 6
}
</pre>

<h2 id="Built-in_functions">Built-in functions</h2>

<p>
Built-in functions are
<a href="#Predeclared_identifiers">predeclared</a>.
They are called like any other function but some of them

.observe(Polymer.Async._twiddle,{characterData:true});Polymer.Debounce=function(){var Async=Polymer.Async;var Debouncer=function(context){this.context=context;var self=this;this.boundComplete=function(){self.complete();};};Debouncer.prototype={go:function(callback,wait){var h;this.finish=function(){Async.cancel(h);};h=Async.run(this.boundComplete,wait);this.callback=callback;},stop:function(){if(this.finish){this.finish();this.finish=null;this.callback=null;}},complete:function(){if(this.finish){var...