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use async_trait::async_trait;
pub trait IntoUrl {}
#[async_trait]
pub trait ClientExt {
async fn publish<T: IntoUrl>(&self, url: T);
}
struct Client;
#[async_trait]
impl ClientExt for Client {
async fn publish<T: IntoUrl>(&self, url: T) {}
}
struct Client2;
#[async_trait]
impl ClientExt for Client2 {
async fn publish<T>(&self, url: T) {}
}
fn main() {}