Running into a lifetime issue

src/renderer/parameters_context.rs

@@ -1,6 +1,10 @@
 use crate::parser::KVPair;
-use crate::parser::RValue;
+use crate::parser::{Filter, RValue};
 use crate::renderer::context_element::ContextElement;
+use crate::renderer::Loopable;
+use crate::renderer::RenderError;
+use crate::renderer::Renderable;
+use crate::renderer::Walkable;
 use std::collections::HashMap;
 
 #[derive(Clone, Debug)]
@@ -25,4 +29,26 @@ impl<'a> ParametersContext<'a> {
     }
 }
 
-// impl<'a> ContextElement for ParametersContext<'a> {}
+impl<'a> ContextElement for ParametersContext<'a> {}
+
+impl<'a> Renderable for ParametersContext<'a> {
+    fn render(&self, _filters: &Vec<Filter>) -> Result<String, RenderError> {
+        Ok("[object Object]".to_owned())
+    }
+}
+
+impl<'a> Loopable for ParametersContext<'a> {
+    fn get_loop_elements(&self) -> Result<Vec<&dyn ContextElement>, RenderError> {
+        Ok(vec![self])
+    }
+}
+
+impl<'a> Walkable for ParametersContext<'a> {
+    fn walk(&self, segment: &str) -> Result<&dyn ContextElement, RenderError> {
+        // TODO: Actually implement
+        Err(RenderError::CantWalk {
+            segment: segment.to_string(),
+            elem: self,
+        })
+    }
+}