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by indiv0
1432 days ago
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Because there’s no async fn on traits yet, almost all “async” traits are returning Pin<Box<dyn Future<Output=T>>> under the hood. Same principle also applies if you’re trying to put a future in a struct (to create a named future). One of the fields will have more or less that type. This is useful for a few reasons (e.g. making it easy to refer to a specific future in type signatures or for writing futures out by hand). |
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