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implementing trait bounds in generic Rust function for multiple types

👀 Views: 1 đŸ’Ŧ Answers: 1 📅 Created: 2025-06-07
rust traits generics Rust

Does anyone know how to Hey everyone, I'm running into an issue that's driving me crazy. I'm working on a Rust function that takes a generic type and implements a trait for various types, but I'm running into issues with trait bounds. I've defined a function like this: ```rust fn process_item<T: MyTrait>(item: T) { item.do_something(); } ``` When I try to call this function with a struct that implements `MyTrait`, I get the following behavior: ``` behavior[E0277]: the trait bound `MyStruct: MyTrait` is not satisfied --> src/main.rs:10:5 | 10 | process_item(my_struct); | ^^^^^^^^^^^^^^^^ the trait `MyTrait` is not implemented for `MyStruct` ``` I have defined `MyStruct` like this: ```rust struct MyStruct; impl MyTrait for MyStruct { fn do_something(&self) { println!("Doing something!"); } } ``` I've tried ensuring that `MyStruct` is in scope and that the trait is properly defined, but the behavior continues. I'm using Rust 1.67.0. Is there something I'm missing regarding trait visibility or the way I'm structuring my modules? How can I resolve this scenario? Additionally, I've checked to make sure that `MyTrait` is defined as: ```rust trait MyTrait { fn do_something(&self); } ``` Any insights on what might be causing this compilation behavior would be greatly appreciated! I'm working on a API that needs to handle this. I'm using Rust 3.10 in this project. What would be the recommended way to handle this?