Rename and specify error type

Author: Ulf Lilleengen

embedded-nal-async/src/lib.rs

@@ -14,4 +14,4 @@ pub use no_std_net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, Socke
 
 pub use dns::Dns;
 pub use embedded_nal::AddrType;
-pub use stack::{TcpClientStack, TcpConnector, TcpFullStack, UdpClientStack, UdpFullStack};
+pub use stack::{TcpClientStack, TcpConnect, TcpFullStack, UdpClientStack, UdpFullStack};

embedded-nal-async/src/stack/mod.rs

@@ -1,5 +1,5 @@
 mod tcp;
 mod udp;
 
-pub use tcp::{TcpClientStack, TcpConnector, TcpFullStack};
+pub use tcp::{TcpClientStack, TcpConnect, TcpFullStack};
 pub use udp::{UdpClientStack, UdpFullStack};

embedded-nal-async/src/stack/tcp.rs

@@ -173,7 +173,10 @@ impl<T: TcpClientStack> TcpClientStack for &mut T {
 
 /// This trait is implemented by TCP/IP stacks. In contrast to the TcpClientStack trait,
 /// this trait allows creating multiple connections using the same TCP/IP stack.
-pub trait TcpConnector: embedded_io::Io {
+pub trait TcpConnect {
+	/// Error type returned on connect failure.
+	type Error;
+
 	/// Type holding state of a TCP connection.
 	type Connection<'m>: embedded_io::asynch::Read + embedded_io::asynch::Write
 	where