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Remove outdated note about showing type of future (#2442)

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Modern Rust just says “note: calling an async function returns a
future” and hides the `Future` type.
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Martin Geisler 2024-10-18 03:02:53 -04:00 committed by GitHub
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src/concurrency/async/async-await.md
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@ -31,9 +31,6 @@ Key points:
- Note that this is a simplified example to show the syntax. There is no long - Note that this is a simplified example to show the syntax. There is no long
running operation or any real concurrency in it! running operation or any real concurrency in it!
- What is the return type of an async call?
- Use `let future: () = async_main(10);` in `main` to see the type.
- The "async" keyword is syntactic sugar. The compiler replaces the return type - The "async" keyword is syntactic sugar. The compiler replaces the return type
with a future. with a future.