     let aBox = Box(value: 1)
 
     // Renders "1"
-    let template = Template(string: "{{a}}")!
-    let rendering = template.render(Box(["a": aBox]))!
+    let template = try! Template(string: "{{a}}")
+    try! template.render(Box(["a": aBox]))
 
 
 ### keyedSubscript



- parameter dictionary: A dictionary of optional values that conform to the
                   `MustacheBoxable` protocol.

- returns: A MustacheBox that wraps `dictionary`
*/

    // {{ lastName }} at line 1 did render Flynn as `Flynn`
    // {{# user }} at line 1 did render { firstName = Errol; lastName = Flynn; } as `Errol Flynn`
    let data = ["user": ["firstName": "Errol", "lastName": "Flynn"]]
    try! template.render(Box(data))

- parameter didRender: A DidRenderFunction
- returns: A MustacheBox
