chore: use ready macro from futures-core (#1300)

tokio-uds/src/datagram.rs

@@ -1,4 +1,5 @@
 use crate::{Recv, RecvFrom, Send, SendTo};
+use futures_core::ready;
 use mio::Ready;
 use mio_uds;
 use std::fmt;

tokio-uds/src/incoming.rs

@@ -1,6 +1,7 @@
 #![cfg(feature = "async-traits")]
 
 use crate::{UnixListener, UnixStream};
+use futures_core::ready;
 use futures_core::stream::Stream;
 use std::io;
 use std::pin::Pin;

tokio-uds/src/lib.rs

@@ -8,15 +8,6 @@
 //!
 //! This crate provides APIs for using Unix Domain Sockets with Tokio.
 
-macro_rules! ready {
-    ($e:expr) => {
-        match $e {
-            ::std::task::Poll::Ready(t) => t,
-            ::std::task::Poll::Pending => return ::std::task::Poll::Pending,
-        }
-    };
-}
-
 mod datagram;
 // mod frame;
 mod incoming;

tokio-uds/src/listener.rs

@@ -1,4 +1,5 @@
 use crate::UnixStream;
+use futures_core::ready;
 use mio::Ready;
 use mio_uds;
 use std::convert::TryFrom;

tokio-uds/src/stream.rs

@@ -1,5 +1,6 @@
 use crate::ucred::{self, UCred};
 use bytes::{Buf, BufMut};
+use futures_core::ready;
 use iovec::IoVec;
 use mio::Ready;
 use mio_uds;