Module prelude

Expand description

Commonly needed reexports from futures and tokio-core.

Structs§

Core: An event loop.
TcpStream: An I/O object representing a TCP stream connected to a remote endpoint.

Future: Trait for types which are a placeholder of a value that may become available at some later point in time.
IntoFuture: Class of types which can be converted into a future.
IoDeprecated: A trait for read/write I/O objects
Sink: A Sink is a value into which other values can be sent, asynchronously.
Stream: A stream of values, not all of which may have been produced yet.

empty: Creates a future which never resolves, representing a computation that never finishes.
err: Creates a “leaf future” from an immediate value of a failed computation.
lazy: Creates a new future which will eventually be the same as the one created by the closure provided.
ok: Creates a “leaf future” from an immediate value of a finished and successful computation.
result: Creates a new “leaf future” which will resolve with the given result.