Решение на упр.11 задача 1 от Йоан Грозев

Обратно към всички решения

Към профила на Йоан Грозев

Код

use std::io::Write;

use std::time::Duration;

use tokio::time::sleep;

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

{

sleep(duration).await;

let duration_ms = duration.as_millis();

if duration_ms > 800

{

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

}

else

{

Ok(format!("Task {} finished in {} ms", id, duration_ms))

}

}

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

{

let mut handles = Vec::new();

for &(id, duration) in task_infos

{

let handle = tokio::spawn(async move

{

run_task(id, duration).await

});

handles.push(handle);

}

let mut successful = 0;

let mut failed = 0;

for handle in handles

{

match handle.await

{

Ok(Ok(msg)) =>

{

successful += 1;

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

}

Ok(Err(err)) =>

{

failed += 1;

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

}

Err(join_err) =>

{

failed += 1;

let _ = writeln!(w, "Task panicked: {}", join_err);

}

}

}

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

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

}

Лог от изпълнението

Updating crates.io index
     Locking 46 packages to latest compatible versions
   Compiling proc-macro2 v1.0.104
   Compiling libc v0.2.178
   Compiling unicode-ident v1.0.22
   Compiling quote v1.0.42
   Compiling syn v2.0.111
   Compiling futures-core v0.3.31
   Compiling pin-project-lite v0.2.16
   Compiling futures-sink v0.3.31
   Compiling parking_lot_core v0.9.12
   Compiling futures-channel v0.3.31
   Compiling smallvec v1.15.1
   Compiling futures-task v0.3.31
   Compiling slab v0.4.11
   Compiling pin-utils v0.1.0
   Compiling memchr v2.7.6
   Compiling scopeguard v1.2.0
   Compiling futures-io v0.3.31
   Compiling cfg-if v1.0.4
   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 futures-macro v0.3.31
   Compiling tokio-macros v2.6.0
   Compiling mio v1.1.1
   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/d20251228-4108951-14ui9t/solution)
    Finished `test` profile [unoptimized + debuginfo] target(s) in 17.46s
     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 1.20s

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