From b88c23897f27ff5aa7d700f0bc16a289068445d5 Mon Sep 17 00:00:00 2001
From: jyn <github@jyn.dev>
Date: Mon, 25 Sep 2023 03:36:43 -0400
Subject: [PATCH] Give a more helpful error when a file is missing

Previously, this would just say "missing file". Now it shows the path of the file that was missing,
which should make it easier to debug what went wrong.
---
 src/exercise.rs | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/exercise.rs b/src/exercise.rs
index 07251db..2c740fb 100644
--- a/src/exercise.rs
+++ b/src/exercise.rs
@@ -201,14 +201,21 @@ path = "{}.rs""#,
     }
 
     pub fn state(&self) -> State {
-        let mut source_file =
-            File::open(&self.path).expect("We were unable to open the exercise file!");
+        let mut source_file = File::open(&self.path).unwrap_or_else(|e| {
+            panic!(
+                "We were unable to open the exercise file {}! {e}",
+                self.path.display()
+            )
+        });
 
         let source = {
             let mut s = String::new();
-            source_file
-                .read_to_string(&mut s)
-                .expect("We were unable to read the exercise file!");
+            source_file.read_to_string(&mut s).unwrap_or_else(|e| {
+                panic!(
+                    "We were unable to read the exercise file {}! {e}",
+                    self.path.display()
+                )
+            });
             s
         };