pub trait Hittable { fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord>; fn bbox(&self) -> AABB; }pub struct HittableList { objects: Vec<Box<dyn Hittable>>, pub objects: Vec<Rc<dyn Hittable>>,
error[E0277]: the trait bound `fn(MyExtractor) -> impl Future<Output = &'static str> {foo_a}: Handler<_, _>` is not satisfied --> src/main.rs:5:26 | 5 | .route("/a", get(foo_a)) | --- ^^^ the trait `Handler<_, _>` is not implemented for fn item `fn(MyExtract...
Some changes occurred to the CTFE machinery cc @rust-lang/wg-const-eval
// Rust program to declare and implement a traitstructStudent { id:u32, name:&'staticstr, fee:u32}//declare a traittraitPrintStudent {fnprint(&self); }//implement the traitimplPrintStudentforStudent {fnprint(&self){ println!("Student id : {}",self.id ); println!("Student name : ...
How to implement a trait for a parameterized trait 0 How does the `Display` trait auto implement the `ToString` trait in Rust?Load 6 more related questions Know someone who can answer? Share a link to this question via email, Twitter, or Facebook. Your Answer Sign up or log in ...
trait MyError: Error + Display + Debug {} type MyResult<T> = Result<T, MyError>; trait Foo: Clone {} trait MyTrait { fn my_function<T: Foo>(&self) -> MyResult<T>; fn unwrap_function<T: Foo>(&self) -> T { self.my_function().unwrap() ...
For more information aboutthiserror,try`rustc --explain E0507`. cat src/main.rs #[derive(Debug)]structf_closure{ name: String, } impl f_closure{ fn fn_call( self)->String{ //不是&self self.name } } fn main() { let name= String::from("kobe"); ...
.rustc_has_incoherent_inherent_impls TyKind::Dyn(it) => it.principal_id().map_or(false, |trait_id| { db.trait_data(from_chalk_trait_id(trait_id)).rustc_has_incoherent_inherent_impls }), _ => false, Expand Down Expand Up @@ -896,8 +895,8 @@ pub fn check_orphan_rules(db...
TeslaRustor SpaceXCN 🐇 In the meadow, messages fly, A new way to consume, oh my! With logs that sparkle, and results that gleam, Directly we gather, fulfilling the dream. So hop along, let’s code and play, In the world of RocketMQ, we’ll find our way! 🌼 ...
Right now the anyhow error doesn't implement the std::error::Error trait but it may choose to do so in the future and you have no control over that. This would then introduce subtle behavioral changes in your code. Therefore, using generics and traits and trait implementati...