# [−][src]Keyword await

Suspend execution until the result of a `Future` is ready.

`.await`ing a future will suspend the current function's execution until the `executor` has run the future to completion.

Read the async book for details on how async/await and executors work.

## Editions

`await` is a keyword from the 2018 edition onwards.

It is available for use in stable rust from version 1.39 onwards.