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threads2: Assert jobs_done == 10 to reject non-shared solutions (#2200) #2454

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threads2: Assert jobs_done == 10 to reject non-shared solutions (#2200) #2454

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0842bd2
threads2: Assert jobs_done == 10 to reject non-shared solutions (#2200)
GolakiyaVishal Sep 24, 2026
80d4582
threads2: solution updated according to updated exercise.
GolakiyaVishal Sep 24, 2026
3b574cf
format assert_eq! for better readability with rustfmt
GolakiyaVishal Sep 25, 2026
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5 changes: 4 additions & 1 deletion exercises/20_threads/threads2.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,5 +30,8 @@ fn main() {
}

// TODO: Print the value of `JobStatus.jobs_done`.
println!("Jobs done: {}", todo!());
let jobs_done: u32 = todo!();
println!("Jobs done: {}", jobs_done);

assert_eq!(jobs_done, 10, "All 10 threads must update the *shared* status");
}
10 changes: 8 additions & 2 deletions solutions/20_threads/threads2.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,12 @@ fn main() {
handle.join().unwrap();
}

println!("Jobs done: {}", status.lock().unwrap().jobs_done);
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
let jobs_done: u32 = status.lock().unwrap().jobs_done;
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
println!("Jobs done: {}", jobs_done);

assert_eq!(
jobs_done, 10,
"All 10 threads must update the *shared* status"
);
}
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