From dedfa796304e7f991dd9f407b17d69f91372c010 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Wed, 6 May 2020 20:30:03 -0400
Subject: [PATCH] Do a truthiness check on references before printing them.

---
 src/renderer/renderer.rs | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/renderer/renderer.rs b/src/renderer/renderer.rs
index 13a8b29..f4b3edd 100644
--- a/src/renderer/renderer.rs
+++ b/src/renderer/renderer.rs
@@ -99,13 +99,17 @@ impl<'a> DustRenderer<'a> {
             }
             DustTag::DTReference(reference) => {
                 let val = walk_path(breadcrumbs, &reference.path.keys);
-                let loop_elements: Vec<&dyn ContextElement> = self.get_loop_elements(val)?;
-                if loop_elements.is_empty() {
-                    // if let Err(RenderError::NotFound { .. }) = val {
-                    // If reference does not exist in the context, it becomes an empty string
-                    return Ok("".to_owned());
-                } else {
-                    return val?.render(&reference.filters);
+                match val {
+                    Err(RenderError::NotFound { .. }) => return Ok("".to_owned()),
+                    Ok(final_val) => {
+                        let loop_elements = final_val.get_loop_elements()?;
+                        if loop_elements.is_empty() {
+                            return Ok("".to_owned());
+                        } else {
+                            return final_val.render(&reference.filters);
+                        }
+                    }
+                    Err(render_error) => return Err(render_error),
                 }
             }
             DustTag::DTSection(container) => {