1 files changed, 0 insertions, 37 deletions
diff --git a/rustlings/exercises/20_threads/threads1.rs b/rustlings/exercises/20_threads/threads1.rs
deleted file mode 100644
index dbc64b1..0000000
--- a/rustlings/exercises/20_threads/threads1.rs
+++ /dev/null
@@ -1,37 +0,0 @@
-// This program spawns multiple threads that each runs for at least 250ms, and
-// each thread returns how much time it took to complete. The program should
-// wait until all the spawned threads have finished and should collect their
-// return values into a vector.
-
-use std::{
-    thread,
-    time::{Duration, Instant},
-};
-
-fn main() {
-    let mut handles = Vec::new();
-    for i in 0..10 {
-        let handle = thread::spawn(move || {
-            let start = Instant::now();
-            thread::sleep(Duration::from_millis(250));
-            println!("Thread {i} done");
-            start.elapsed().as_millis()
-        });
-        handles.push(handle);
-    }
-
-    let mut results = Vec::new();
-    for handle in handles {
-        // TODO: Collect the results of all threads into the `results` vector.
-        // Use the `JoinHandle` struct which is returned by `thread::spawn`.
-    }
-
-    if results.len() != 10 {
-        panic!("Oh no! Some thread isn't done yet!");
-    }
-
-    println!();
-    for (i, result) in results.into_iter().enumerate() {
-        println!("Thread {i} took {result}ms");
-    }
-}