From 41a08d7a61d5bb8070953a93e2b53a19f7b98f85 Mon Sep 17 00:00:00 2001
From: Max Bradbury <max@tinybird.info>
Date: Sat, 25 Apr 2020 14:18:09 +0100
Subject: [PATCH] debug message for bad pixels

---
 src/image.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/image.rs b/src/image.rs
index 4106990..38d7edd 100644
--- a/src/image.rs
+++ b/src/image.rs
@@ -12,7 +12,9 @@ impl From<String> for Image {
         let pixels = &pixels[1..(pixels.len() - 1)];
         let pixels: Vec<u32> = pixels
             .iter()
-            .map(|&pixel| pixel.parse::<u32>().unwrap())
+            .map(|&pixel|
+                pixel.parse::<u32>().expect(&format!("Bad pixel in image: {}\n", pixel))
+            )
             .collect();
 
         Image { pixels }