codec: update to Rust 2018

tokio-codec/Cargo.toml

@@ -9,6 +9,7 @@ name = "tokio-codec"
 # - Update CHANGELOG.md.
 # - Create "v0.1.x" git tag.
 version = "0.1.1"
+edition = "2018"
 authors = ["Carl Lerche <me@carllerche.com>", "Bryan Burgers <bryan@burgers.io>"]
 license = "MIT"
 repository = "https://github.com/tokio-rs/tokio"

tokio-codec/src/bytes_codec.rs

@@ -1,6 +1,6 @@
 use bytes::{BufMut, Bytes, BytesMut};
-use std::io;
 use tokio_io::_tokio_codec::{Decoder, Encoder};
+use std::io;
 
 /// A simple `Codec` implementation that just ships bytes around.
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]

tokio-codec/src/lib.rs

@@ -1,5 +1,6 @@
-#![deny(missing_docs, missing_debug_implementations, warnings)]
 #![doc(html_root_url = "https://docs.rs/tokio-codec/0.1.1")]
+#![deny(missing_docs, missing_debug_implementations, rust_2018_idioms)]
+#![cfg_attr(test, deny(warnings))]
 
 //! Utilities for encoding and decoding frames.
 //!
@@ -13,13 +14,9 @@
 //! [`Stream`]: #
 //! [transports]: #
 
-extern crate bytes;
-extern crate tokio_io;
-
 mod bytes_codec;
 mod lines_codec;
 
+pub use crate::bytes_codec::BytesCodec;
+pub use crate::lines_codec::LinesCodec;
 pub use tokio_io::_tokio_codec::{Decoder, Encoder, Framed, FramedParts, FramedRead, FramedWrite};
-
-pub use bytes_codec::BytesCodec;
-pub use lines_codec::LinesCodec;

tokio-codec/src/lines_codec.rs

@@ -1,6 +1,6 @@
 use bytes::{BufMut, BytesMut};
-use std::{cmp, io, str, usize};
 use tokio_io::_tokio_codec::{Decoder, Encoder};
+use std::{cmp, io, str, usize};
 
 /// A simple `Codec` implementation that splits up data into lines.
 #[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]

tokio-codec/tests/codecs.rs

@@ -1,5 +1,4 @@
-extern crate bytes;
-extern crate tokio_codec;
+#![deny(warnings, rust_2018_idioms)]
 
 use bytes::{BufMut, Bytes, BytesMut};
 use tokio_codec::{BytesCodec, Decoder, Encoder, LinesCodec};

tokio-codec/tests/framed.rs

@@ -1,13 +1,10 @@
-extern crate bytes;
-extern crate futures;
-extern crate tokio_codec;
-extern crate tokio_io;
+#![deny(warnings, rust_2018_idioms)]
 
 use bytes::{Buf, BufMut, BytesMut, IntoBuf};
 use futures::{Future, Stream};
-use std::io::{self, Read};
 use tokio_codec::{Decoder, Encoder, Framed, FramedParts};
 use tokio_io::AsyncRead;
+use std::io::{self, Read};
 
 const INITIAL_CAPACITY: usize = 8 * 1024;
 

tokio-codec/tests/framed_read.rs

@@ -1,15 +1,10 @@
-extern crate bytes;
-extern crate futures;
-extern crate tokio_codec;
-extern crate tokio_io;
-
-use tokio_codec::{Decoder, FramedRead};
-use tokio_io::AsyncRead;
+#![deny(warnings, rust_2018_idioms)]
 
 use bytes::{Buf, BytesMut, IntoBuf};
 use futures::Async::{NotReady, Ready};
 use futures::Stream;
-
+use tokio_codec::{Decoder, FramedRead};
+use tokio_io::AsyncRead;
 use std::collections::VecDeque;
 use std::io::{self, Read};
 

tokio-codec/tests/framed_write.rs

@@ -1,14 +1,9 @@
-extern crate bytes;
-extern crate futures;
-extern crate tokio_codec;
-extern crate tokio_io;
-
-use tokio_codec::{Encoder, FramedWrite};
-use tokio_io::AsyncWrite;
+#![deny(warnings, rust_2018_idioms)]
 
 use bytes::{BufMut, BytesMut};
 use futures::{Poll, Sink};
-
+use tokio_codec::{Encoder, FramedWrite};
+use tokio_io::AsyncWrite;
 use std::collections::VecDeque;
 use std::io::{self, Write};