Some formatting cleanups.

src/bin/password_check.rs

@@ -38,7 +38,11 @@ impl FromStr for PasswordData {
 
 impl PasswordData {
     fn is_valid_interpretation1(&self) -> bool {
-        let count = self.password.chars().filter(|x| *x == self.character).count();
+        let count = self
+            .password
+            .chars()
+            .filter(|x| *x == self.character)
+            .count();
         (count >= self.first_number) && (count <= self.second_number)
     }
 
@@ -60,7 +64,6 @@ impl PasswordData {
     }
 }
 
-
 fn real_main() -> Result<(), TopLevelError> {
     let mut good_items_interpretation1 = 0u64;
     let mut good_items_interpretation2 = 0u64;
@@ -83,8 +86,14 @@ fn real_main() -> Result<(), TopLevelError> {
         }
     }
 
-    println!("# of good passwords, according to interpretation #1: {}", good_items_interpretation1);
-    println!("# of good passwords, according to interpretation #2: {}", good_items_interpretation2);
+    println!(
+        "# of good passwords, according to interpretation #1: {}",
+        good_items_interpretation1
+    );
+    println!(
+        "# of good passwords, according to interpretation #2: {}",
+        good_items_interpretation2
+    );
 
     Ok(())
 }

src/errors.rs

@@ -35,17 +35,19 @@ convert_error!(io::Error, TopLevelError, IOError);
 
 pub enum PasswordParseError {
     StringToIntError(ParseIntError),
-    NomError(nom::Err<()>)
+    NomError(nom::Err<()>),
 }
 
 impl fmt::Display for PasswordParseError {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
             PasswordParseError::NomError(e) => write!(f, "Parse error: {}", e),
-            PasswordParseError::StringToIntError(e) => write!(f, "Error converting string to integer: {}", e),
+            PasswordParseError::StringToIntError(e) => {
+                write!(f, "Error converting string to integer: {}", e)
+            }
         }
     }
 }
 
 convert_error!(ParseIntError, PasswordParseError, StringToIntError);
-convert_error!(nom::Err<()>, PasswordParseError, NomError);
+convert_error!(nom::Err<()>, PasswordParseError, NomError);