41 lines
735 B
Rust
41 lines
735 B
Rust
// TODO: Given a vector of integers, leak its heap allocation.
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// Then split the resulting static slice into two halves and
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// sum each half in a separate thread.
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// Hint: check out `Vec::leak`.
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use std::thread;
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pub fn sum(v: Vec<i32>) -> i32 {
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todo!()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn empty() {
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assert_eq!(sum(vec![]), 0);
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}
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#[test]
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fn one() {
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assert_eq!(sum(vec![1]), 1);
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}
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#[test]
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fn five() {
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assert_eq!(sum(vec![1, 2, 3, 4, 5]), 15);
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}
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#[test]
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fn nine() {
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assert_eq!(sum(vec![1, 2, 3, 4, 5, 6, 7, 8, 9]), 45);
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}
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#[test]
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fn ten() {
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assert_eq!(sum(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]), 55);
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}
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}
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