100 exercises to learn Rust

exercises/07_threads/04_scoped_threads/Cargo.toml

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+[package]
+name = "scoped_threads"
+version = "0.1.0"
+edition = "2021"

exercises/07_threads/04_scoped_threads/src/lib.rs

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+// TODO: Given a vector of integers, split it in two halves
+//  and compute the sum of each half in a separate thread.
+//  Don't perform any heap allocation. Don't leak any memory.
+
+pub fn sum(v: Vec<i32>) -> i32 {
+    todo!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn empty() {
+        assert_eq!(sum(vec![]), 0);
+    }
+
+    #[test]
+    fn one() {
+        assert_eq!(sum(vec![1]), 1);
+    }
+
+    #[test]
+    fn five() {
+        assert_eq!(sum(vec![1, 2, 3, 4, 5]), 15);
+    }
+
+    #[test]
+    fn nine() {
+        assert_eq!(sum(vec![1, 2, 3, 4, 5, 6, 7, 8, 9]), 45);
+    }
+
+    #[test]
+    fn ten() {
+        assert_eq!(sum(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]), 55);
+    }
+}