Get rid of Error::description()

src/schema.rs

@@ -22,12 +22,6 @@ pub enum SymbolRunError {
 }
 
 impl Error for SymbolRunError {
-  fn description(&self) -> &str {
-    match self {
-      Self::Symbol(_) => "Symbol execution error",
-      Self::ExecuteDidNotReach(_) => "Target not reached after executing symbol",
-    }
-  }
   fn cause(&self) -> Option<&dyn Error> {
     match self {
       Self::Symbol(ref e) => Some(&**e),
@@ -40,7 +34,7 @@ impl fmt::Display for SymbolRunError {
   fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     match self {
       Self::Symbol(ref e) => write!(f, "{}", e),
-      Self::ExecuteDidNotReach(_) => write!(f, "{}", self.description()),
+      Self::ExecuteDidNotReach(_) => write!(f, "Target not reached after executing symbol"),
     }
   }
 }

tests/storage.rs

@@ -103,12 +103,12 @@ fn empty_storage() {
   );
   assert!(storage.read_filename().is_err());
   assert_eq!(
-    storage.read_filename().unwrap_err().description(),
+    storage.read_filename().unwrap_err().to_string(),
     "entity not found"
   );
   assert!(storage.recent_date().is_err());
   assert_eq!(
-    storage.recent_date().unwrap_err().description(),
+    storage.recent_date().unwrap_err().to_string(),
     "entity not found"
   );
 }
@@ -125,14 +125,11 @@ fn empty_storage_for_filename() {
   );
   assert!(storage.read_filename().is_err());
   assert_eq!(
-    storage.read_filename().unwrap_err().description(),
+    storage.read_filename().unwrap_err().to_string(),
     "Not found"
   );
   assert!(storage.recent_date().is_err());
-  assert_eq!(
-    storage.recent_date().unwrap_err().description(),
-    "Not found"
-  );
+  assert_eq!(storage.recent_date().unwrap_err().to_string(), "Not found");
 }
 
 #[test]
@@ -147,12 +144,9 @@ fn bad_file() {
   );
   assert!(storage.read_filename().is_err());
   assert_eq!(
-    storage.read_filename().unwrap_err().description(),
+    storage.read_filename().unwrap_err().to_string(),
     "Not found"
   );
   assert!(storage.recent_date().is_err());
-  assert_eq!(
-    storage.recent_date().unwrap_err().description(),
-    "Not found"
-  );
+  assert_eq!(storage.recent_date().unwrap_err().to_string(), "Not found");
 }