зеркало из https://github.com/mozilla/gecko-dev.git
38 строки
954 B
Rust
38 строки
954 B
Rust
#![deny(warnings)]
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use std::convert::Infallible;
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use std::str::FromStr;
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use std::time::Duration;
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use warp::Filter;
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#[tokio::main]
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async fn main() {
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// Match `/:Seconds`...
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let routes = warp::path::param()
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// and_then create a `Future` that will simply wait N seconds...
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.and_then(sleepy);
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warp::serve(routes).run(([127, 0, 0, 1], 3030)).await;
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}
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async fn sleepy(Seconds(seconds): Seconds) -> Result<impl warp::Reply, Infallible> {
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tokio::time::delay_for(Duration::from_secs(seconds)).await;
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Ok(format!("I waited {} seconds!", seconds))
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}
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/// A newtype to enforce our maximum allowed seconds.
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struct Seconds(u64);
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impl FromStr for Seconds {
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type Err = ();
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fn from_str(src: &str) -> Result<Self, Self::Err> {
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src.parse::<u64>().map_err(|_| ()).and_then(|num| {
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if num <= 5 {
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Ok(Seconds(num))
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} else {
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Err(())
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}
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})
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}
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}
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