switch to accumulator for time calculations

src/main.rs

@@ -8,9 +8,9 @@ fn main() {
 
     println!();
 
-//  for arg in args {
-//      println!("{:?}\n{:?}\n", arg, stati(arg));
-//  };
+    for arg in &args {
+        println!("{:?}\n{:?}\n", arg, stati(arg));
+    };
 
     let strings = args[0];
 
@@ -53,11 +53,7 @@ fn stati(s: &str) -> String {
         .map(
             |m| m.split('|')
             .filter_map(|e| e.parse::<usize>().ok()) // handle invalid parse
-            .collect::<Vec<usize>>()
-            .chunks(3)
-            .map(|c| (c[0],c[1],c[2]))
-            .map(|(h,m,s)| h*3600 + m*60 + s)
-            .sum()
+            .fold(0, |a, i| a*60+i) // switch to accumulater
         )
         .collect::<Vec<usize>>();
 
@@ -96,5 +92,6 @@ mod tests {
                 "Range: 01|01|18 Average: 01|38|05 Median: 01|32|34");
         dotest("02|15|59, 2|47|16, 02|17|20, 2|32|34, 2|17|17, 2|22|00, 2|31|41",
                 "Range: 00|31|17 Average: 02|26|18 Median: 02|22|00");
+        dotest("","");
     }
 }