remove either feature (#315)

remove either feature

src/either.rs

@@ -1,93 +0,0 @@
-use crate::{Buf, BufMut};
-
-use either::Either;
-use either::Either::*;
-
-#[cfg(feature = "std")]
-use std::io::IoSlice;
-#[cfg(feature = "std")]
-use crate::buf::IoSliceMut;
-
-impl<L, R> Buf for Either<L, R>
-where
-    L: Buf,
-    R: Buf,
-{
-    fn remaining(&self) -> usize {
-        match *self {
-            Left(ref b) => b.remaining(),
-            Right(ref b) => b.remaining(),
-        }
-    }
-
-    fn bytes(&self) -> &[u8] {
-        match *self {
-            Left(ref b) => b.bytes(),
-            Right(ref b) => b.bytes(),
-        }
-    }
-
-    #[cfg(feature = "std")]
-    fn bytes_vectored<'a>(&'a self, dst: &mut [IoSlice<'a>]) -> usize {
-        match *self {
-            Left(ref b) => b.bytes_vectored(dst),
-            Right(ref b) => b.bytes_vectored(dst),
-        }
-    }
-
-    fn advance(&mut self, cnt: usize) {
-        match *self {
-            Left(ref mut b) => b.advance(cnt),
-            Right(ref mut b) => b.advance(cnt),
-        }
-    }
-
-    fn copy_to_slice(&mut self, dst: &mut [u8]) {
-        match *self {
-            Left(ref mut b) => b.copy_to_slice(dst),
-            Right(ref mut b) => b.copy_to_slice(dst),
-        }
-    }
-}
-
-impl<L, R> BufMut for Either<L, R>
-where
-    L: BufMut,
-    R: BufMut,
-{
-    fn remaining_mut(&self) -> usize {
-        match *self {
-            Left(ref b) => b.remaining_mut(),
-            Right(ref b) => b.remaining_mut(),
-        }
-    }
-
-    fn bytes_mut(&mut self) -> &mut [core::mem::MaybeUninit<u8>] {
-        match *self {
-            Left(ref mut b) => b.bytes_mut(),
-            Right(ref mut b) => b.bytes_mut(),
-        }
-    }
-
-    #[cfg(feature = "std")]
-    fn bytes_vectored_mut<'a>(&'a mut self, dst: &mut [IoSliceMut<'a>]) -> usize {
-        match *self {
-            Left(ref mut b) => b.bytes_vectored_mut(dst),
-            Right(ref mut b) => b.bytes_vectored_mut(dst),
-        }
-    }
-
-    unsafe fn advance_mut(&mut self, cnt: usize) {
-        match *self {
-            Left(ref mut b) => b.advance_mut(cnt),
-            Right(ref mut b) => b.advance_mut(cnt),
-        }
-    }
-
-    fn put_slice(&mut self, src: &[u8]) {
-        match *self {
-            Left(ref mut b) => b.put_slice(src),
-            Right(ref mut b) => b.put_slice(src),
-        }
-    }
-}

src/lib.rs

@@ -96,11 +96,6 @@ pub use crate::bytes::Bytes;
 #[cfg(feature = "serde")]
 mod serde;
 
-// Optional `Either` support
-#[cfg(feature = "either")]
-mod either;
-
-
 #[inline(never)]
 #[cold]
 fn abort() -> ! {