Remove #[macro_use] extern crate

Author: taiki-e

futures-util/src/future/future/flatten.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 #[cfg(feature = "sink")]
 use futures_sink::Sink;

futures-util/src/future/future/fuse.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::{Future, FusedFuture};
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;
 

futures-util/src/future/future/map.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;
 

futures-util/src/future/future/remote_handle.rs

@@ -4,6 +4,7 @@ use {
     futures_core::{
         future::Future,
         task::{Context, Poll},
+        ready,
     },
     std::{
         any::Any,

futures-util/src/future/maybe_done.rs

@@ -2,6 +2,7 @@
 
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;
 

futures-util/src/future/try_future/try_flatten.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future, TryFuture};
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream, TryStream};
 #[cfg(feature = "sink")]
 use futures_sink::Sink;

futures-util/src/future/try_future/try_flatten_err.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future, TryFuture};
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;
 

futures-util/src/future/try_maybe_done.rs

@@ -2,6 +2,7 @@
 
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future, TryFuture};
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;
 

futures-util/src/io/buf_reader.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "read-initializer")]
 use futures_io::Initializer;

futures-util/src/io/buf_writer.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_io::{AsyncBufRead, AsyncRead, AsyncSeek, AsyncWrite, IoSlice, SeekFrom};
 use pin_project::pin_project;

futures-util/src/io/chain.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "read-initializer")]
 use futures_io::Initializer;

futures-util/src/io/copy_buf.rs

@@ -1,4 +1,5 @@
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_io::{AsyncBufRead, AsyncWrite};
 use std::io;

futures-util/src/io/into_sink.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncWrite;
 use futures_sink::Sink;

futures-util/src/io/lines.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::stream::Stream;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncBufRead;

futures-util/src/io/read_exact.rs

@@ -1,4 +1,5 @@
 use crate::io::AsyncRead;
+use futures_core::ready;
 use futures_core::future::Future;
 use futures_core::task::{Context, Poll};
 use std::io;

futures-util/src/io/read_line.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::future::Future;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncBufRead;

futures-util/src/io/read_to_end.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::future::Future;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncRead;

futures-util/src/io/read_to_string.rs

@@ -1,4 +1,5 @@
 use super::read_to_end::read_to_end_internal;
+use futures_core::ready;
 use futures_core::future::Future;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncRead;

futures-util/src/io/read_until.rs

@@ -1,4 +1,5 @@
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncBufRead;
 use std::io;

futures-util/src/io/repeat.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "read-initializer")]
 use futures_io::Initializer;

futures-util/src/io/split.rs

@@ -1,4 +1,5 @@
 use crate::lock::BiLock;
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_io::{AsyncRead, AsyncWrite, IoSlice, IoSliceMut};
 use core::fmt;

futures-util/src/io/take.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "read-initializer")]
 use futures_io::Initializer;

futures-util/src/io/write_all.rs

@@ -1,4 +1,5 @@
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncWrite;
 use std::io;

futures-util/src/io/write_all_vectored.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::future::Future;
 use futures_core::task::{Context, Poll};
 use futures_io::AsyncWrite;

futures-util/src/lib.rs

@@ -34,9 +34,6 @@ compile_error!("The `read-initializer` feature requires the `unstable` feature a
 #[cfg(feature = "alloc")]
 extern crate alloc;
 
-#[macro_use(ready)]
-extern crate futures_core;
-
 // Macro re-exports
 pub use futures_core::ready;
 pub use pin_utils::pin_mut;

futures-util/src/sink/buffer.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;

futures-util/src/sink/send.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;
 

futures-util/src/sink/send_all.rs

@@ -2,6 +2,7 @@ use crate::stream::{StreamExt, TryStreamExt, Fuse};
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{TryStream, Stream};
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;

futures-util/src/sink/unfold.rs

@@ -1,4 +1,5 @@
 use core::{future::Future, pin::Pin};
+use futures_core::ready;
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;
 use pin_project::pin_project;

futures-util/src/sink/with.rs

@@ -2,6 +2,7 @@ use core::fmt;
 use core::marker::PhantomData;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::Stream;
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;

futures-util/src/sink/with_flat_map.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::marker::PhantomData;
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;

futures-util/src/stream/futures_ordered.rs

@@ -2,6 +2,7 @@ use crate::stream::{FuturesUnordered, StreamExt};
 use futures_core::future::Future;
 use futures_core::stream::Stream;
 use futures_core::{FusedStream, task::{Context, Poll}};
+use futures_core::ready;
 use pin_project::pin_project;
 use core::cmp::Ordering;
 use core::fmt::{self, Debug};

futures-util/src/stream/once.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;

futures-util/src/stream/select_all.rs

@@ -4,6 +4,7 @@ use core::fmt::{self, Debug};
 use core::iter::FromIterator;
 use core::pin::Pin;
 
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 

futures-util/src/stream/stream/buffered.rs

@@ -1,5 +1,6 @@
 use crate::stream::{Fuse, FuturesOrdered, StreamExt};
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::Stream;
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/chain.rs

@@ -1,4 +1,5 @@
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;

futures-util/src/stream/stream/chunks.rs

@@ -1,4 +1,5 @@
 use crate::stream::Fuse;
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/collect.rs

@@ -1,6 +1,7 @@
 use core::mem;
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;

futures-util/src/stream/stream/concat.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use futures_core::future::{Future, FusedFuture};
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;

futures-util/src/stream/stream/cycle.rs

@@ -1,5 +1,6 @@
 use core::pin::Pin;
 use core::usize;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;

futures-util/src/stream/stream/enumerate.rs

@@ -1,4 +1,5 @@
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/filter.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/filter_map.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/flatten.rs

@@ -1,4 +1,5 @@
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/fold.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::stream::Stream;
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;

futures-util/src/stream/stream/for_each.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 use pin_project::pin_project;

futures-util/src/stream/stream/forward.rs

@@ -1,6 +1,7 @@
 use crate::stream::Fuse;
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::stream::Stream;
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;

futures-util/src/stream/stream/fuse.rs

@@ -1,4 +1,5 @@
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/into_future.rs

@@ -1,6 +1,7 @@
 use crate::stream::StreamExt;
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::stream::Stream;
 use futures_core::task::{Context, Poll};
 

futures-util/src/stream/stream/map.rs

@@ -1,5 +1,6 @@
 use core::fmt;
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/peek.rs

@@ -2,6 +2,7 @@ use crate::stream::{Fuse, StreamExt};
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::{FusedFuture, Future};
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/scan.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/select_next_some.rs

@@ -1,4 +1,5 @@
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::FusedStream;
 use futures_core::future::{Future, FusedFuture};
 use futures_core::task::{Context, Poll};

futures-util/src/stream/stream/skip.rs

@@ -1,4 +1,5 @@
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/skip_while.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/split.rs

@@ -1,3 +1,4 @@
+use futures_core::ready;
 use futures_core::stream::Stream;
 use futures_core::task::{Context, Poll};
 use futures_sink::Sink;

futures-util/src/stream/stream/take.rs

@@ -1,5 +1,6 @@
 use core::cmp;
 use core::pin::Pin;
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/take_until.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{FusedStream, Stream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]

futures-util/src/stream/stream/take_while.rs

@@ -1,6 +1,7 @@
 use core::fmt;
 use core::pin::Pin;
 use futures_core::future::Future;
+use futures_core::ready;
 use futures_core::stream::{Stream, FusedStream};
 use futures_core::task::{Context, Poll};
 #[cfg(feature = "sink")]