Question

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

score 166 · Answer 1 · 2015-06-15 21:40:56

166

Views

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

Published on 15 June 2015 at 21:40

score 3.8k · Answer 2 · 2015-06-16 07:26:29

3.8k

Views

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

Published on 16 June 2015 at 07:26

score 684 · Answer 3 · 2016-12-29 16:43:04

684

Views

Variable parameterised over a trait not a struct?

Published on 29 December 2016 at 16:43

score 187 · Answer 4 · 2020-09-30 04:05:15

187

Views

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

Published on 30 September 2020 at 04:05

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

54

Views

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

Published on 15 October 2020 at 18:14

score 1.4k · Answer 6 · 2020-10-17 23:05:43

1.4k

Views

Why can't some traits be made into objects

Published on 17 October 2020 at 23:05

score 1.1k · Answer 7 · 2020-10-16 21:30:09

1.1k

Views

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

Published on 16 October 2020 at 21:30

score 789 · Answer 8 · 2020-10-20 16:04:18

789

Views

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

Published on 20 October 2020 at 16:04

score 19.7k · Answer 9 · 2014-12-19 14:14:39

19.7k

Views

What makes something a "trait object"?

Published on 19 December 2014 at 14:14

score 120 · Answer 10 · 2023-10-09 17:40:37

120

Views

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

Published on 09 October 2023 at 17:40

score 104 · Answer 11 · 2023-10-20 19:45:38

104

Views

Rust trait object with generic type parameter

Published on 20 October 2023 at 19:45

score 369 · Answer 12 · 2023-11-06 17:44:56

369

Views

Why doesn't Rust support trait objects with associated constants?

Published on 06 November 2023 at 17:44

score 30 · Answer 13 · 2023-11-11 10:35:52

30

Views

Static Trait object

Published on 11 November 2023 at 10:35

score 501 · Answer 14 · 2023-11-12 17:03:26

501

Views

Is static dispatch "almost always" faster than boxed dyn trait dispatch?

Published on 12 November 2023 at 17:03

score 115 · Answer 15 · 2023-11-29 04:03:23

115

Views

What are the rules for coercing values to trait objects?

Published on 29 November 2023 at 04:03

score 2.2k · Answer 16 · 2020-11-23 19:28:02

2.2k

Views

How do I deal with Sized requirements in a trait object?

Published on 23 November 2020 at 19:28

score 1.8k · Answer 17 · 2020-11-26 19:57:30

1.8k

Views

Rust structs that have Box fields and that impl async traits

Published on 26 November 2020 at 19:57

score 504 · Answer 18 · 2020-11-28 15:53:56

504

Views

Rust cache async traits

Published on 28 November 2020 at 15:53

score 216 · Answer 19 · 2020-12-02 19:29:44

216

Views

Is it possible to call clone on a struct that contains a FnMut closure trait object?

Published on 02 December 2020 at 19:29

score 414 · Answer 20 · 2020-12-06 16:46:12

414

Views

"temporary value dropped while borrowed" with HashMap<&str, &dyn Fn(&str) -> bool>

Published on 06 December 2020 at 16:46

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?

Rust trait object with generic type parameter

Why doesn't Rust support trait objects with associated constants?

Static Trait object

Is static dispatch "almost always" faster than boxed dyn trait dispatch?

What are the rules for coercing values to trait objects?

How do I deal with Sized requirements in a trait object?

Rust structs that have Box fields and that impl async traits

Rust cache async traits

Is it possible to call clone on a struct that contains a FnMut closure trait object?

"temporary value dropped while borrowed" with HashMap<&str, &dyn Fn(&str) -> bool>

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