# Module std::future

1.36.0 · source ·
Expand description

Asynchronous basic functionality.

Please see the fundamental `async` and `await` keywords and the async book for more information on asynchronous programming in Rust.

## Macros

- join Experimental
  Polls multiple futures simultaneously, returning a tuple of all results once complete.

## Structs

- Pending
  Creates a future which never resolves, representing a computation that never finishes.
- PollFn
  A Future that wraps a function returning `Poll`.
- Ready
  A future that is immediately ready with a value.

## Traits

- Future
  A future represents an asynchronous computation obtained by use of `async`.
- IntoFuture
  Conversion into a `Future`.

## Functions

- pending
  Creates a future which never resolves, representing a computation that never finishes.
- poll_fn
  Creates a future that wraps a function returning `Poll`.
- ready
  Creates a future that is immediately ready with a value.