Update Tokio to Rust 2018 (#1082)

tokio-codec/Cargo.toml

@@ -7,8 +7,9 @@ name = "tokio-codec"
 #   - Cargo.toml
 #   - README.md
 # - Update CHANGELOG.md.
-# - Create "v0.1.x" git tag.
-version = "0.1.1"
+# - Create "v0.2.x" git tag.
+version = "0.2.0"
+edition = "2018"
 authors = ["Carl Lerche <[email protected]>", "Bryan Burgers <[email protected]>"]
 license = "MIT"
 repository = "https://github.com/tokio-rs/tokio"
@@ -18,8 +19,9 @@ description = """
 Utilities for encoding and decoding frames.
 """
 categories = ["asynchronous"]
+publish = false
 
 [dependencies]
-tokio-io = "0.1.7"
+tokio-io = { version = "0.2.0", path = "../tokio-io" }
 bytes = "0.4.7"
 futures = "0.1.18"

tokio-codec/README.md

@@ -4,21 +4,6 @@ Utilities for encoding and decoding frames.
 
 [Documentation](https://docs.rs/tokio-codec)
 
-## Usage
-
-First, add this to your `Cargo.toml`:
-
-```toml
-[dependencies]
-tokio-codec = "0.1"
-```
-
-Next, add this to your crate:
-
-```rust
-extern crate tokio_codec;
-```
-
 You can find extensive documentation and examples about how to use this crate
 online at [https://tokio.rs](https://tokio.rs). The [API
 documentation](https://docs.rs/tokio-codec) is also a great place to get started

tokio-codec/src/lib.rs

@@ -1,5 +1,7 @@
-#![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))]
+#![doc(test(no_crate_inject, attr(deny(rust_2018_idioms))))]
 
 //! Utilities for encoding and decoding frames.
 //!
@@ -13,13 +15,9 @@
 //! [`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/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

@@ -1,7 +1,4 @@
-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};

tokio-codec/tests/framed_read.rs

@@ -1,17 +1,12 @@
-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 std::collections::VecDeque;
 use std::io::{self, Read};
+use tokio_codec::{Decoder, FramedRead};
+use tokio_io::AsyncRead;
 
 macro_rules! mock {
     ($($x:expr,)*) => {{

tokio-codec/tests/framed_write.rs

@@ -1,16 +1,11 @@
-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 std::collections::VecDeque;
 use std::io::{self, Write};
+use tokio_codec::{Encoder, FramedWrite};
+use tokio_io::AsyncWrite;
 
 macro_rules! mock {
     ($($x:expr,)*) => {{