async-await: track nightly changes (#661)

The `tokio-async-await` crate is no longer a facade. Instead, the `tokio` crate
provides a feature flag to enable async/await support.

tokio-async-await/examples/.cargo/config

@@ -0,0 +1,2 @@
+[build]
+target-dir = "../../target"

tokio-async-await/examples/Cargo.toml

@@ -1,28 +1,49 @@
-cargo-features = ["edition"]
-
 [package]
 name = "examples"
 edition = "2018"
-
-# When releasing to crates.io:
-# - Update html_root_url.
-version = "0.1.1"
+version = "0.1.0"
 authors = ["Carl Lerche <[email protected]>"]
 license = "MIT"
 
+# Break out of the parent workspace
+[workspace]
+
+[[bin]]
+name = "chat"
+path = "src/chat.rs"
+
+[[bin]]
+name = "echo_client"
+path = "src/echo_client.rs"
+
+[[bin]]
+name = "echo_server"
+path = "src/echo_server.rs"
+
 [[bin]]
 name = "hyper"
 path = "src/hyper.rs"
 
 [dependencies]
-tokio-async-await = { version = "0.1.0", path = "../" }
+tokio = { version = "0.1.0", path = "../..", features = ["async-await-preview"] }
+futures = "0.1.23"
 bytes = "0.4.9"
 hyper = "0.12.8"
 
+# Avoid using crates.io for Tokio dependencies
 [patch.crates-io]
 tokio = { path = "../.." }
+tokio-async-await  = { path = "../" }
+tokio-codec = { path = "../../tokio-codec" }
+tokio-current-thread = { path = "../../tokio-current-thread" }
 tokio-executor = { path = "../../tokio-executor" }
+tokio-fs = { path = "../../tokio-fs" }
 tokio-io = { path = "../../tokio-io" }
 tokio-reactor = { path = "../../tokio-reactor" }
+tokio-signal = { path = "../../tokio-signal" }
 tokio-tcp = { path = "../../tokio-tcp" }
+tokio-threadpool = { path = "../../tokio-threadpool" }
 tokio-timer = { path = "../../tokio-timer" }
+tokio-tls = { path = "../../tokio-tls" }
+tokio-udp = { path = "../../tokio-udp" }
+tokio-uds = { path = "../../tokio-uds" }

tokio-async-await/examples/src/chat.rs

@@ -2,11 +2,13 @@
 
 #[macro_use]
 extern crate tokio;
+extern crate futures; // v0.1
 
 use tokio::codec::{LinesCodec, Decoder};
 use tokio::net::{TcpListener, TcpStream};
 use tokio::prelude::*;
-use tokio::sync::mpsc;
+
+use futures::sync::mpsc;
 
 use std::collections::HashMap;
 use std::io;