What are your favorite tricks or hacks in rust?

• rust

  2,683 93,041 10.0 Rust

  Empowering everyone to build reliable and efficient software.

  

It doesn't make sense to pass a generator to std::iter::from_fn() because from_fn excepts a function that returns Option, whereas a generator is a value that just implements the Generator trait. However: with a generator you shouldn't need from_fn() because you can write a trivial adapter that creates a real iterator from it (stolen from #60062):

• rust-script

  25 1,126 8.0 Rust

  Run Rust files and expressions as scripts without any setup or compilation step.

This is maybe a different kind of hack, but I recently learned about https://rust-script.org so you can write "scripts" in Rust instead of bash, Perl, Python, w/e

• InfluxDB

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• async-trait

  7 1,697 8.2 Rust

  Type erasure for async trait methods

Does async-trait count as a trick or hack? It's not my hack, but it's a workaround/hack that I use every single day.

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