rust 循环延时get请求

use std::collections::HashMap;
use std::thread::sleep;
use std::time::Duration;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let three_seconds = Duration::from_secs(3);
    loop {
        println!("1234");
//---------------------


let body = reqwest::get("https://www.rust-lang.org")
    .await?
    .text()
    .await?;

println!("body = {:?}", body);


//---------------------
        sleep(three_seconds); // 延迟3秒
    }

    Ok(())
}

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