Rendering my first template with actually following paths.

Before I was hard-coding the path to the reference. Now I am following the full path programmatically using the new ContextElement and Walkable traits.

src/bin.rs

@@ -56,7 +56,7 @@ fn template_from_file<'a>(file_path: &str, file_contents: &'a str) -> CompiledTe
         .expect("Failed to compile template")
 }
 
-fn read_context_from_stdin() -> serde_json::map::Map<String, serde_json::Value> {
+fn read_context_from_stdin() -> serde_json::Value {
     let mut buffer = String::new();
     io::stdin()
         .read_to_string(&mut buffer)
@@ -64,7 +64,7 @@ fn read_context_from_stdin() -> serde_json::map::Map<String, serde_json::Value>
 
     let parsed: serde_json::Value = serde_json::from_str(&buffer).expect("Failed to parse json");
     match parsed {
-        serde_json::Value::Object(obj) => obj,
+        serde_json::Value::Object(obj) => serde_json::value::Value::Object(obj),
         _ => panic!("Expected context to be an object"),
     }
 }