Combine the render traits into a single context_element file.

src/renderer/context_element.rs

@@ -0,0 +1,13 @@
+use crate::parser::Filter;
+use crate::renderer::errors::RenderError;
+use std::fmt::Debug;
+
+pub trait ContextElement: Walkable + Renderable + Debug {}
+
+pub trait Walkable {
+    fn walk(&self, segment: &str) -> Result<&dyn ContextElement, RenderError>;
+}
+
+pub trait Renderable {
+    fn render(&self, filters: &Vec<Filter>) -> Result<String, RenderError>;
+}