Replace await! macro with await syntax

Author: taiki-e

.travis.yml

@@ -1,6 +1,6 @@
 language: rust
 rust:
-  - nightly-2019-04-25
+  - nightly-2019-05-09
 
 before_script: |
   rustup component add rustfmt clippy

README.md

@@ -70,7 +70,7 @@ version = "0.1.1"
 
 **main.rs**
 ```rust
-#![feature(futures_api, async_await, await_macro, existential_type)]
+#![feature(futures_api, async_await, existential_type)]
 
 use futures::future::{self, FutureObj};
 use http_service::{HttpService, Response};

examples/simple_response.rs

@@ -1,4 +1,4 @@
-#![feature(async_await, await_macro, existential_type)]
+#![feature(async_await, existential_type)]
 
 use futures::future::{self, FutureObj};
 use http_service::{HttpService, Response};

http-service-hyper/src/lib.rs

@@ -4,7 +4,7 @@
 #![deny(missing_debug_implementations, nonstandard_style)]
 #![warn(missing_docs, missing_doc_code_examples)]
 #![cfg_attr(test, deny(warnings))]
-#![feature(async_await, await_macro)]
+#![feature(async_await)]
 
 use futures::{
     compat::{Compat, Compat01As03, Future01CompatExt},
@@ -40,7 +40,7 @@ where
         let service = self.service.clone();
         let error = std::io::Error::from(std::io::ErrorKind::Other);
         async move {
-            let connection = await!(service.connect().into_future()).map_err(|_| error)?;
+            let connection = service.connect().into_future().await.map_err(|_| error)?;
             Ok(WrapConnection {
                 service,
                 connection,
@@ -72,7 +72,7 @@ where
         let fut = self.service.respond(&mut self.connection, req);
 
         async move {
-            let res: http::Response<_> = await!(fut.into_future()).map_err(|_| error)?;
+            let res: http::Response<_> = fut.into_future().await.map_err(|_| error)?;
             Ok(res.map(|body| hyper::Body::wrap_stream(body.compat())))
         }
             .boxed()

src/lib.rs

@@ -3,7 +3,7 @@
 //!
 //! ## Example
 //! ```no_run, rust, ignore
-//! #![feature(futures_api, async_await, await_macro, existential_type)]
+//! #![feature(futures_api, async_await, existential_type)]
 //!
 //! use futures::{
 //!     future::{self, FutureObj},
@@ -57,7 +57,7 @@
 #![deny(missing_debug_implementations, nonstandard_style)]
 #![warn(missing_docs, missing_doc_code_examples)]
 #![cfg_attr(test, deny(warnings))]
-#![feature(async_await, await_macro, arbitrary_self_types)]
+#![feature(async_await, arbitrary_self_types)]
 
 use bytes::Bytes;
 use futures::{
@@ -99,7 +99,7 @@ impl Body {
     #[allow(clippy::wrong_self_convention)] // https://github.com/rust-lang/rust-clippy/issues/4037
     pub async fn into_vec(mut self) -> std::io::Result<Vec<u8>> {
         let mut bytes = Vec::new();
-        while let Some(chunk) = await!(self.next()) {
+        while let Some(chunk) = self.next().await {
             bytes.extend(chunk?);
         }
         Ok(bytes)