rust/tests/ui/suggestions/constrain-trait.fixed
2024-02-16 20:02:50 +00:00

49 lines
790 B
Rust

//@ run-rustfix
// check-only
#![allow(dead_code)]
#[derive(Debug)]
struct Demo {
a: String
}
trait GetString {
fn get_a(&self) -> &String;
}
trait UseString: std::fmt::Debug + GetString {
fn use_string(&self) {
println!("{:?}", self.get_a()); //~ ERROR no method named `get_a` found
}
}
trait UseString2: GetString {
fn use_string(&self) {
println!("{:?}", self.get_a()); //~ ERROR no method named `get_a` found
}
}
impl GetString for Demo {
fn get_a(&self) -> &String {
&self.a
}
}
impl UseString for Demo {}
impl UseString2 for Demo {}
#[cfg(test)]
mod tests {
use crate::{Demo, UseString};
#[test]
fn it_works() {
let d = Demo { a: "test".to_string() };
d.use_string();
}
}
fn main() {}