From 594724759c64e5d5c2cb1a63b54fcdf79c515b0b Mon Sep 17 00:00:00 2001
From: Ignas Anikevicius <anikevicius@gmail.com>
Date: Sun, 4 Nov 2018 20:40:44 +0200
Subject: [PATCH] Fix TODO: use sum insted of left fold

---
 src/optimize.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/optimize.rs b/src/optimize.rs
index 3dee91c..bceca6a 100644
--- a/src/optimize.rs
+++ b/src/optimize.rs
@@ -332,8 +332,9 @@ impl<I: Iterator<Item = Segment>> Iterator for Optimizer<I> {
 
 /// Computes the total encoded length of all segments.
 pub fn total_encoded_len(segments: &[Segment], version: Version) -> usize {
-    // TODO revert to `.map().sum()` after `sum()` is stable.
-    segments.iter().fold(0, |acc, seg| acc + seg.encoded_len(version))
+    segments.iter()
+        .map(|seg| seg.encoded_len(version))
+        .sum()
 }
 
 #[cfg(test)]