testing and fixing

src/util/mod.rs

@@ -18,4 +18,26 @@ pub fn parse_abbreviated_number(s: &str) -> Option<u32> {
         _ => return None,
     };
     num_part.parse::<f64>().ok().map(|n| (n * multiplier) as u32)
+}
+
+pub fn interleave<T: Clone>(lists: &[Vec<T>]) -> Vec<T> {
+    let mut result = Vec::new();
+
+    if lists.is_empty() {
+        return result;
+    }
+
+    // Find the maximum length among the lists
+    let max_len = lists.iter().map(|l| l.len()).max().unwrap_or(0);
+
+    // Interleave elements
+    for i in 0..max_len {
+        for list in lists {
+            if let Some(item) = list.get(i) {
+                result.push(item.clone());
+            }
+        }
+    }
+
+    result
 }