src/doc/book/listings/ch13-functional-features/listing-13-16/src/lib.rs

   1 #[cfg(test)]
   2 mod tests {
   3     // ANCHOR: here
   4     #[test]
   5     fn iterator_sum() {
   6         let v1 = vec![1, 2, 3];
   7
   8         let v1_iter = v1.iter();
   9
  10         let total: i32 = v1_iter.sum();
  11
  12         assert_eq!(total, 6);
  13     }
  14     // ANCHOR_END: here
  15 }
  16
  17 fn main() {}