我正在学习 Rust,特别是并行的多线程和异步请求。
我阅读了文档,但仍然不明白我在哪里犯了错误。我想我知道在哪里,但不知道如何解决它。
主程序.rs
use std::thread;
struct Request {
url: String,
}
impl Request {
fn new(name: &str) -> Request {
Request {
url: name.to_string(),
}
}
async fn call(&self, x: &str) -> Result<(), Box<dyn std::error::Error>> {
let resp = reqwest::get(x).await;
Ok(())
}
}
#[tokio::main]
async fn main() {
let requests = vec![
Request::new("https://www.google.com/"),
Request::new("https://www.google.com/"),
];
let handles: Vec<_> = requests
.into_iter()
.map(|request| {
thread::spawn(move || async {
request.call(&request.url).await;
})
})
.collect();
for y in handles {
println!("{:?}", y);
} …Run Code Online (Sandbox Code Playgroud)