Update trait object syntax to use 'dyn'

examples/simple.rs

@@ -5,7 +5,7 @@
 extern crate reqwest;
 extern crate env_logger;
 
-fn main() -> Result<(), Box<std::error::Error>> {
+fn main() -> Result<(), Box<dyn std::error::Error>> {
     env_logger::init();
 
     println!("GET https://www.rust-lang.org");

src/body.rs

@@ -118,7 +118,7 @@ impl Body {
 
 
 enum Kind {
-    Reader(Box<Read + Send>, Option<u64>),
+    Reader(Box<dyn Read + Send>, Option<u64>),
     Bytes(Bytes),
 }
 
@@ -197,7 +197,7 @@ impl<'a> fmt::Debug for DebugLength<'a> {
 }
 
 pub(crate) enum Reader {
-    Reader(Box<Read + Send>),
+    Reader(Box<dyn Read + Send>),
     Bytes(Cursor<Bytes>),
 }
 
@@ -211,7 +211,7 @@ impl Read for Reader {
 }
 
 pub(crate) struct Sender {
-    body: (Box<Read + Send>, Option<u64>),
+    body: (Box<dyn Read + Send>, Option<u64>),
     tx: hyper::body::Sender,
 }
 

src/connect.rs

@@ -385,7 +385,7 @@ pub(crate) trait AsyncConn: AsyncRead + AsyncWrite {}
 impl<T: AsyncRead + AsyncWrite> AsyncConn for T {}
 pub(crate) type Conn = Box<dyn AsyncConn + Send + Sync + 'static>;
 
-pub(crate) type Connecting = Box<Future<Item=(Conn, Connected), Error=io::Error> + Send>;
+pub(crate) type Connecting = Box<dyn Future<Item=(Conn, Connected), Error=io::Error> + Send>;
 
 #[cfg(feature = "tls")]
 fn tunnel<T>(conn: T, host: String, port: u16, auth: Option<::http::header::HeaderValue>) -> Tunnel<T> {

src/error.rs

@@ -626,7 +626,7 @@ mod tests {
                     "root"
                 }
             }
-            fn cause(&self) -> Option<&StdError> {
+            fn cause(&self) -> Option<&dyn StdError> {
                 if let Some(ref e) = self.0 {
                     Some(e)
                 } else {

src/multipart.rs

@@ -9,7 +9,7 @@
 //! ```
 //! use reqwest::multipart;
 //!
-//! # fn run() -> Result<(), Box<::std::error::Error>> {
+//! # fn run() -> Result<(), Box<dyn std::error::Error>> {
 //! let form = multipart::Form::new()
 //!     // Adding just a simple text field...
 //!     .text("username", "seanmonstar")
@@ -282,7 +282,7 @@ impl PartProps for Part {
 
 pub(crate) struct Reader {
     form: Form,
-    active_reader: Option<Box<Read + Send>>,
+    active_reader: Option<Box<dyn Read + Send>>,
 }
 
 impl fmt::Debug for Reader {

src/proxy.rs

@@ -379,7 +379,7 @@ impl Intercept {
 struct Custom {
     // This auth only applies if the returned ProxyScheme doesn't have an auth...
     auth: Option<HeaderValue>,
-    func: Arc<Fn(&Url) -> Option<::Result<ProxyScheme>> + Send + Sync + 'static>,
+    func: Arc<dyn Fn(&Url) -> Option<::Result<ProxyScheme>> + Send + Sync + 'static>,
 }
 
 impl Custom {

src/redirect.rs

@@ -214,7 +214,7 @@ impl<'a> RedirectAttempt<'a> {
 }
 
 enum Policy {
-    Custom(Box<Fn(RedirectAttempt) -> RedirectAction + Send + Sync + 'static>),
+    Custom(Box<dyn Fn(RedirectAttempt) -> RedirectAction + Send + Sync + 'static>),
     Limit(usize),
     None,
 }