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How can I cast Rc<RefCell<Box<MyTrait> to Rc<RefCell<Box<MyStruct>>>

score 183 · Answer 1 · 2015-06-15 21:40:56

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How can I cast Rc<RefCell<Box<MyTrait> to Rc<RefCell<Box<MyStruct>>>

183 views Asked by Dmitry Uvarov At 15 June 2015 at 21:40

score 3895 · Answer 2 · 2015-06-16 07:26:29

How do I pass Rc<RefCell<Box<MyStruct>>> to a function accepting Rc<RefCell<Box<dyn MyTrait>>>?

3.8k views Asked by Dmitry Uvarov At 16 June 2015 at 07:26

score 701 · Answer 3 · 2016-12-29 16:43:04

Variable parameterised over a trait not a struct?

701 views Asked by jbrown At 29 December 2016 at 16:43

score 204 · Answer 4 · 2020-09-30 04:05:15

Rust says the function parameter does not live enough, even though proper lifetime have been placed

204 views Asked by entropy32 At 30 September 2020 at 04:05

score 72 · Answer 5 · 2020-10-15 18:14:54

trait cannot be made into an object due to generic type parameters

72 views Asked by matanmarkind At 15 October 2020 at 18:14

score 1514 · Answer 6 · 2020-10-17 23:05:43

Why can't some traits be made into objects

1.5k views Asked by wrongusername At 17 October 2020 at 23:05

score 1156 · Answer 7 · 2020-10-16 21:30:09

Get Rc<RefCell<dyn T>>> on a sub-type

1.1k views Asked by Corebreaker At 16 October 2020 at 21:30

score 813 · Answer 8 · 2020-10-20 16:04:18

Why is a value not converted to a trait object with dynamic dispatch in a closure?

813 views Asked by Rodolfo At 20 October 2020 at 16:04

score 19730 · Answer 9 · 2014-12-19 14:14:39

What makes something a "trait object"?

19.7k views Asked by Shepmaster At 19 December 2014 at 14:14

score 138 · Answer 10 · 2023-10-09 17:40:37

Why does a method returning &Self makes a trait object-unsafe?

138 views Asked by Martin Jocqueviel At 09 October 2023 at 17:40

TechQA.

List Question

How can I cast Rc<RefCell<Box<MyTrait> to Rc<RefCell<Box<MyStruct>>>

How do I pass Rc<RefCell<Box<MyStruct>>> to a function accepting Rc<RefCell<Box<dyn MyTrait>>>?

Variable parameterised over a trait not a struct?

Rust says the function parameter does not live enough, even though proper lifetime have been placed

trait cannot be made into an object due to generic type parameters

Why can't some traits be made into objects

Get Rc<RefCell<dyn T>>> on a sub-type

Why is a value not converted to a trait object with dynamic dispatch in a closure?

What makes something a "trait object"?

Why does a method returning &Self makes a trait object-unsafe?

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