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Handle downcast error when downcasting Ref<Box<dyn Any>> into Ref<Box<T>>

score 1352 · Answer 1 · 2020-10-11 23:34:38

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Handle downcast error when downcasting Ref<Box<dyn Any>> into Ref<Box<T>>

1.3k views Asked by Gabriel Mutti At 11 October 2020 at 23:34

score 99 · Answer 2 · 2023-10-27 07:21:33

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Is it possible to get an &str out of a RefCell<string>

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Is it safe to make RefCell Sync+Send if the data it contains is protected by RwLock?

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Why doesn't std::cell::Ref use a reference instead of NonNull?

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Implement Borrow on something behind a RefCell?

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score 1081 · Answer 10 · 2021-04-24 12:53:22

How to return an optional reference into RefCell contents

1k views Asked by user4815162342 At 24 April 2021 at 12:53

TechQA.

List Question

Handle downcast error when downcasting Ref<Box<dyn Any>> into Ref<Box<T>>

Rust closure, RefCell, Rc Count

Rust smart pointer issue

Is it possible to get an &str out of a RefCell<string>

Is it safe to make RefCell Sync+Send if the data it contains is protected by RwLock?

Generic struct that can hold either Rc<RefCell<T>> or Arc<RwLock<T>>

Why doesn't std::cell::Ref use a reference instead of NonNull?

Passing around a reference to a struct in Rust

Implement Borrow on something behind a RefCell?

How to return an optional reference into RefCell contents

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