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use backoff::{retry, Error, ExponentialBackoff};
use std::io::Read;
fn fetch_url(url: &str) -> Result<String, Error<reqwest::Error>> {
let op = || {
println!("Fetching {}", url);
let mut resp = reqwest::blocking::get(url)?;
let mut content = String::new();
let _ = resp.read_to_string(&mut content);
Ok(content)
};
let backoff = ExponentialBackoff::default();
retry(backoff, op)
}
fn main() {
match fetch_url("https://www.rust-lang.org") {
Ok(_) => println!("Successfully fetched"),
Err(err) => panic!("Failed to fetch: {}", err),
}
}
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