Is that a built-in lint?
Just Rust saving me from staring at a test for 5 minutes figuring out why it failed. NBD.pic.twitter.com/IAm7xmvwCA
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Yes. It's on several types by default (`Result`, anything that implements `Iterator`). You can add it to any type with `#[must_use = "note to appear"]`
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That is impressive.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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