diff --git a/src/character/mod.rs b/src/character/mod.rs
index c2c7f45d3..4c70f6e2c 100644
--- a/src/character/mod.rs
+++ b/src/character/mod.rs
@@ -113,4 +113,4 @@ pub fn is_space(chr: u8) -> bool {
 #[inline]
 pub fn is_newline(chr: u8) -> bool {
   chr == b'\n'
-}
\ No newline at end of file
+}
diff --git a/src/internal.rs b/src/internal.rs
index 4454abffb..47382ee58 100644
--- a/src/internal.rs
+++ b/src/internal.rs
@@ -35,12 +35,12 @@ pub trait Finish<I, O, E> {
 impl<I, O, E> Finish<I, O, E> for IResult<I, O, E> {
   fn finish(self) -> Result<(I, O), E> {
     match self {
-            Ok(res) => Ok(res),
-            Err(Err::Error(e)) | Err(Err::Failure(e)) => Err(e),
-            Err(Err::Incomplete(_)) => {
-                panic!("Cannot call `finish()` on `Err(Err::Incomplete(_))`: this result means that the parser does not have enough data to decide, you should gather more data and try to reapply  the parser instead")
-            }
-        }
+      Ok(res) => Ok(res),
+      Err(Err::Error(e)) | Err(Err::Failure(e)) => Err(e),
+      Err(Err::Incomplete(_)) => {
+        panic!("Cannot call `finish()` on `Err(Err::Incomplete(_))`: this result means that the parser does not have enough data to decide, you should gather more data and try to reapply  the parser instead")
+      }
+    }
   }
 }
 
diff --git a/src/multi/macros.rs b/src/multi/macros.rs
index 5179e0cac..7599ba60a 100644
--- a/src/multi/macros.rs
+++ b/src/multi/macros.rs
@@ -614,7 +614,10 @@ mod tests {
     let i_err_pos = &i[3..];
     assert_eq!(
       empty_sep(i),
-      Err(Err::Error(error_position!(i_err_pos, ErrorKind::SeparatedList)))
+      Err(Err::Error(error_position!(
+        i_err_pos,
+        ErrorKind::SeparatedList
+      )))
     );
     let res4 = vec![&b"abcd"[..], &b"abcd"[..]];
     assert_eq!(multi(e), Ok((&b",ef"[..], res4)));
diff --git a/src/multi/mod.rs b/src/multi/mod.rs
index 6042e3e1c..32b7d9ad7 100644
--- a/src/multi/mod.rs
+++ b/src/multi/mod.rs
@@ -726,7 +726,11 @@ where
 /// assert_eq!(parser("123123"), Ok(("123123", vec![])));
 /// assert_eq!(parser(""), Ok(("", vec![])));
 /// ```
-pub fn fold_many0<I, O, E, F, G, R>(mut f: F, init: R, mut g: G) -> impl FnMut(I) -> IResult<I, R, E>
+pub fn fold_many0<I, O, E, F, G, R>(
+  mut f: F,
+  init: R,
+  mut g: G,
+) -> impl FnMut(I) -> IResult<I, R, E>
 where
   I: Clone + PartialEq,
   F: Parser<I, O, E>,
@@ -804,7 +808,11 @@ where
 /// assert_eq!(parser("123123"), Err(Err::Error(Error::new("123123", ErrorKind::Many1))));
 /// assert_eq!(parser(""), Err(Err::Error(Error::new("", ErrorKind::Many1))));
 /// ```
-pub fn fold_many1<I, O, E, F, G, R>(mut f: F, init: R, mut g: G) -> impl FnMut(I) -> IResult<I, R, E>
+pub fn fold_many1<I, O, E, F, G, R>(
+  mut f: F,
+  init: R,
+  mut g: G,
+) -> impl FnMut(I) -> IResult<I, R, E>
 where
   I: Clone + PartialEq,
   F: Parser<I, O, E>,
diff --git a/src/regexp/macros.rs b/src/regexp/macros.rs
index 6d51a28fd..ff84787fe 100644
--- a/src/regexp/macros.rs
+++ b/src/regexp/macros.rs
@@ -55,7 +55,10 @@ macro_rules! re_bytes_find (
 ///
 /// Requires the `regexp` feature.
 #[macro_export(local_inner_macros)]
-#[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+#[cfg_attr(
+  feature = "docsrs",
+  doc(cfg(all(feature = "regexp", feature = "alloc")))
+)]
 macro_rules! re_matches (
   ($i:expr, $re:expr) => ( {
       let r = $crate::lib::regex::Regex::new($re).unwrap();
@@ -68,7 +71,10 @@ macro_rules! re_matches (
 ///
 /// Requires the `regexp` feature.
 #[macro_export(local_inner_macros)]
-#[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+#[cfg_attr(
+  feature = "docsrs",
+  doc(cfg(all(feature = "regexp", feature = "alloc")))
+)]
 macro_rules! re_bytes_matches (
   ($i:expr, $re:expr) => ( {
       let r = $crate::lib::regex::bytes::Regex::new($re).unwrap();
@@ -81,7 +87,10 @@ macro_rules! re_bytes_matches (
 ///
 /// Requires the `regexp` feature.
 #[macro_export(local_inner_macros)]
-#[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+#[cfg_attr(
+  feature = "docsrs",
+  doc(cfg(all(feature = "regexp", feature = "alloc")))
+)]
 macro_rules! re_capture (
   ($i:expr, $re:expr) => ( {
       let r = $crate::lib::regex::Regex::new($re).unwrap();
@@ -94,7 +103,10 @@ macro_rules! re_capture (
 ///
 /// Requires the `regexp` feature.
 #[macro_export(local_inner_macros)]
-#[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+#[cfg_attr(
+  feature = "docsrs",
+  doc(cfg(all(feature = "regexp", feature = "alloc")))
+)]
 macro_rules! re_bytes_capture (
   ($i:expr, $re:expr) => ( {
       let r = $crate::lib::regex::bytes::Regex::new($re).unwrap();
@@ -108,7 +120,10 @@ macro_rules! re_bytes_capture (
 ///
 /// Requires the `regexp` feature.
 #[macro_export(local_inner_macros)]
-#[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+#[cfg_attr(
+  feature = "docsrs",
+  doc(cfg(all(feature = "regexp", feature = "alloc")))
+)]
 macro_rules! re_captures (
   ($i:expr, $re:expr) => ( {
       let r = $crate::lib::regex::Regex::new($re).unwrap();
@@ -121,7 +136,10 @@ macro_rules! re_captures (
 ///
 /// Requires the `regexp` feature.
 #[macro_export(local_inner_macros)]
-#[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+#[cfg_attr(
+  feature = "docsrs",
+  doc(cfg(all(feature = "regexp", feature = "alloc")))
+)]
 macro_rules! re_bytes_captures (
   ($i:expr, $re:expr) => ( {
       let r = $crate::lib::regex::bytes::Regex::new($re).unwrap();
diff --git a/src/regexp/mod.rs b/src/regexp/mod.rs
index 20f60a423..b1b856c91 100644
--- a/src/regexp/mod.rs
+++ b/src/regexp/mod.rs
@@ -59,7 +59,10 @@ pub mod str {
   /// # }
   /// ```
   #[cfg(all(feature = "regexp", feature = "alloc"))]
-  #[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+  #[cfg_attr(
+    feature = "docsrs",
+    doc(cfg(all(feature = "regexp", feature = "alloc")))
+  )]
   pub fn re_matches<'a, E>(re: Regex) -> impl Fn(&'a str) -> IResult<&'a str, Vec<&'a str>, E>
   where
     E: ParseError<&'a str>,
@@ -130,7 +133,10 @@ pub mod str {
   /// # }
   /// ```
   #[cfg(all(feature = "regexp", feature = "alloc"))]
-  #[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+  #[cfg_attr(
+    feature = "docsrs",
+    doc(cfg(all(feature = "regexp", feature = "alloc")))
+  )]
   pub fn re_capture<'a, E>(re: Regex) -> impl Fn(&'a str) -> IResult<&'a str, Vec<&'a str>, E>
   where
     E: ParseError<&'a str>,
@@ -171,7 +177,10 @@ pub mod str {
   /// # }
   /// ```
   #[cfg(all(feature = "regexp", feature = "alloc"))]
-  #[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+  #[cfg_attr(
+    feature = "docsrs",
+    doc(cfg(all(feature = "regexp", feature = "alloc")))
+  )]
   pub fn re_captures<'a, E>(re: Regex) -> impl Fn(&'a str) -> IResult<&'a str, Vec<Vec<&'a str>>, E>
   where
     E: ParseError<&'a str>,
@@ -361,7 +370,10 @@ pub mod bytes {
   /// # }
   /// ```
   #[cfg(all(feature = "regexp", feature = "alloc"))]
-  #[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+  #[cfg_attr(
+    feature = "docsrs",
+    doc(cfg(all(feature = "regexp", feature = "alloc")))
+  )]
   pub fn re_matches<'a, E>(re: Regex) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], Vec<&'a [u8]>, E>
   where
     E: ParseError<&'a [u8]>,
@@ -431,7 +443,10 @@ pub mod bytes {
   /// # }
   /// ```
   #[cfg(all(feature = "regexp", feature = "alloc"))]
-  #[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+  #[cfg_attr(
+    feature = "docsrs",
+    doc(cfg(all(feature = "regexp", feature = "alloc")))
+  )]
   pub fn re_capture<'a, E>(re: Regex) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], Vec<&'a [u8]>, E>
   where
     E: ParseError<&'a [u8]>,
@@ -472,7 +487,10 @@ pub mod bytes {
   /// # }
   /// ```
   #[cfg(all(feature = "regexp", feature = "alloc"))]
-  #[cfg_attr(feature = "docsrs", doc(cfg(all(feature = "regexp", feature = "alloc"))))]
+  #[cfg_attr(
+    feature = "docsrs",
+    doc(cfg(all(feature = "regexp", feature = "alloc")))
+  )]
   pub fn re_captures<'a, E>(
     re: Regex,
   ) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], Vec<Vec<&'a [u8]>>, E>
diff --git a/tests/issues.rs b/tests/issues.rs
index 6788f7220..3ffc2718e 100644
--- a/tests/issues.rs
+++ b/tests/issues.rs
@@ -350,16 +350,11 @@ named!(issue_962<&[u8], Vec<&[u8]>>,
 
 #[test]
 fn issue_1231_bits_expect_fn_closure() {
-    use nom::bits::{bits, complete::take};
-    use nom::error::Error;
-    use nom::sequence::tuple;
-    pub fn example(input: &[u8]) -> IResult<&[u8], (u8, u8)> {
-        bits::<_, _, Error<_>, _, _>(tuple((
-                    take(1usize), take(1usize)
-        )))(input)
-    }
-    assert_eq!(
-        example(&[0xff]),
-        Ok((&b""[..], (1, 1)))
-    );
+  use nom::bits::{bits, complete::take};
+  use nom::error::Error;
+  use nom::sequence::tuple;
+  pub fn example(input: &[u8]) -> IResult<&[u8], (u8, u8)> {
+    bits::<_, _, Error<_>, _, _>(tuple((take(1usize), take(1usize))))(input)
+  }
+  assert_eq!(example(&[0xff]), Ok((&b""[..], (1, 1))));
 }