From 230e271b4580cc7593d21f0103a81761abcda07d Mon Sep 17 00:00:00 2001
From: A Farzat <a@farzat.xyz>
Date: Thu, 4 Jun 2026 09:20:53 +0300
Subject: Start adding CLI tests

---
 src/renderer.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/renderer.rs')

diff --git a/src/renderer.rs b/src/renderer.rs
index 7162d1f..583730a 100644
--- a/src/renderer.rs
+++ b/src/renderer.rs
@@ -1,8 +1,22 @@
+use std::fmt;
+
 #[derive(Debug)]
 pub enum RenderError {
     BinaryFile(String),
 }
 
+impl fmt::Display for RenderError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            RenderError::BinaryFile(filename) => {
+                write!(f, "Binary file encountered: {}", filename)
+            }
+        }
+    }
+}
+
+impl std::error::Error for RenderError {}
+
 pub fn render(project_name: &str, files: &[(&str, &[u8])]) -> Result<String, RenderError> {
     let mut output = format!("# {}\n", project_name);
     if !files.is_empty() {
-- 
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