Merge pull request #118 from cuviper/clippy

Clippy fixes

src/lib.rs

@@ -589,7 +589,7 @@ impl<L, R> Either<L, R> {
     /// use either::*;
     /// let left: Either<_, Vec<u8>> = Left(&["hello"]);
     /// assert_eq!(left.factor_into_iter().next(), Some(Left(&"hello")));
-
+    ///
     /// let right: Either<&[&str], _> = Right(vec![0, 1]);
     /// assert_eq!(right.factor_into_iter().collect::<Vec<_>>(), vec![Right(0), Right(1)]);
     ///
@@ -613,7 +613,7 @@ impl<L, R> Either<L, R> {
     /// use either::*;
     /// let left: Either<_, Vec<u8>> = Left(["hello"]);
     /// assert_eq!(left.factor_iter().next(), Some(Left(&"hello")));
-
+    ///
     /// let right: Either<[&str; 2], _> = Right(vec![0, 1]);
     /// assert_eq!(right.factor_iter().collect::<Vec<_>>(), vec![Right(&0), Right(&1)]);
     ///
@@ -638,7 +638,7 @@ impl<L, R> Either<L, R> {
     /// let mut left: Either<_, Vec<u8>> = Left(["hello"]);
     /// left.factor_iter_mut().for_each(|x| *x.unwrap_left() = "goodbye");
     /// assert_eq!(left, Left(["goodbye"]));
-
+    ///
     /// let mut right: Either<[&str; 2], _> = Right(vec![0, 1, 2]);
     /// right.factor_iter_mut().for_each(|x| if let Right(r) = x { *r = -*r; });
     /// assert_eq!(right, Right(vec![0, -1, -2]));
@@ -1129,10 +1129,9 @@ impl<L, R> From<Result<R, L>> for Either<L, R> {
 }
 
 /// Convert from `Either` to `Result` with `Right => Ok` and `Left => Err`.
-#[allow(clippy::from_over_into)] // From requires RFC 2451, Rust 1.41
-impl<L, R> Into<Result<R, L>> for Either<L, R> {
-    fn into(self) -> Result<R, L> {
-        match self {
+impl<L, R> From<Either<L, R>> for Result<R, L> {
+    fn from(val: Either<L, R>) -> Self {
+        match val {
             Left(l) => Err(l),
             Right(r) => Ok(r),
         }