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#![deny(warnings)]
// This is using the `tokio` runtime. You'll need the following dependency:
//
// `tokio = { version = "1", features = ["full"] }`
#[cfg(feature = "http3")]
#[cfg(not(target_arch = "wasm32"))]
#[tokio::main]
async fn main() -> Result<(), reqwest::Error> {
use http::Version;
use reqwest::{Client, IntoUrl, Response};
async fn get<T: IntoUrl + Clone>(url: T) -> reqwest::Result<Response> {
Client::builder()
.http3_prior_knowledge()
.build()?
.get(url)
.version(Version::HTTP_3)
.send()
.await
}
// Some simple CLI args requirements...
let url = match std::env::args().nth(1) {
Some(url) => url,
None => {
println!("No CLI URL provided, using default.");
"https://hyper.rs".into()
}
};
eprintln!("Fetching {:?}...", url);
let res = get(url).await?;
eprintln!("Response: {:?} {}", res.version(), res.status());
eprintln!("Headers: {:#?}\n", res.headers());
let body = res.text().await?;
println!("{}", body);
Ok(())
}
// The [cfg(not(target_arch = "wasm32"))] above prevent building the tokio::main function
// for wasm32 target, because tokio isn't compatible with wasm32.
// If you aren't building for wasm32, you don't need that line.
// The two lines below avoid the "'main' function not found" error when building for wasm32 target.
#[cfg(any(target_arch = "wasm32", not(feature = "http3")))]
fn main() {}
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