I want to register a callback that is async. To test if this is feasible/possible in Rust I've played around with this piece of code: use std::future::Future; use std::pin::Pin; struct X { chain: Vec<Box<dyn for<'a> FnOnce(&'a mut Self) -> Pin<Box<dyn Future<Output = ()> + 'a>>>>, } impl X { …

Higher-Rank Trait Bounds use bound lifetime in another generic

Yandros June 29, 2020, 6:39pm 3

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