Решение на упр.11 задача 1 от Йосиф Хамед

Обратно към всички решения

Към профила на Йосиф Хамед

Код

pub use futures::stream::{FuturesUnordered, StreamExt};

pub use std::io::Write;

pub use tokio::time::{sleep, timeout, Duration};

pub async fn run_task(id: usize, duration: Duration) -> Result<String, String> {

let result = timeout(Duration::from_millis(800), sleep(duration)).await;

match result {

Ok(_) => Ok(format!(

"Task {} finished in {} ms",

id,

duration.as_millis()

)),

Err(_) => Err(format!("Task {} timed out", id)),

}

}

pub async fn manage_tasks(task_infos: &[(usize, Duration)], w: &mut dyn Write) {

let mut tasks = FuturesUnordered::new();

for &i in task_infos.iter() {

tasks.push(tokio::spawn(async move { run_task(i.0, i.1).await }));

}

let mut s = 0;

let mut f = 0;

while let Some(Ok(res)) = tasks.next().await {

let _ = match res {

Ok(o) => {

s = s + 1;

let _ = writeln!(w, "{}", o);

}

Err(e) => {

f = f + 1;

let _ = writeln!(w, "{}", e);

}

};

}

let _ = writeln!(w, "Successful tasks: {}", s);

let _ = writeln!(w, "Failed tasks: {}", f);

}

Лог от изпълнението

Updating crates.io index
     Locking 46 packages to latest compatible versions
   Compiling proc-macro2 v1.0.104
   Compiling quote v1.0.42
   Compiling libc v0.2.178
   Compiling unicode-ident v1.0.22
   Compiling syn v2.0.111
   Compiling pin-project-lite v0.2.16
   Compiling futures-core v0.3.31
   Compiling parking_lot_core v0.9.12
   Compiling futures-sink v0.3.31
   Compiling futures-channel v0.3.31
   Compiling pin-utils v0.1.0
   Compiling futures-io v0.3.31
   Compiling cfg-if v1.0.4
   Compiling futures-task v0.3.31
   Compiling scopeguard v1.2.0
   Compiling smallvec v1.15.1
   Compiling memchr v2.7.6
   Compiling slab v0.4.11
   Compiling lock_api v0.4.14
   Compiling errno v0.3.14
   Compiling signal-hook-registry v1.4.8
   Compiling parking_lot v0.12.5
   Compiling socket2 v0.6.1
   Compiling mio v1.1.1
   Compiling futures-macro v0.3.31
   Compiling tokio-macros v2.6.0
   Compiling futures-util v0.3.31
   Compiling bytes v1.11.0
   Compiling tokio v1.48.0
   Compiling futures-executor v0.3.31
   Compiling futures v0.3.31
   Compiling solution v0.1.0 (/tmp/d20251228-4108951-1y2be3a/solution)
    Finished `test` profile [unoptimized + debuginfo] target(s) in 17.47s
     Running tests/solution_test.rs (target/debug/deps/solution_test-f512224d9fb3caf8)

running 1 test
test solution_test::test_basic ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s

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