From ce55569030d01d6ace77d837aeab1be0fe753d21 Mon Sep 17 00:00:00 2001
From: Daniel Seiller <earthnuker@gmail.com>
Date: Wed, 16 Dec 2020 20:13:13 +0100
Subject: [PATCH] Day 15, small cleanup

---
 src/day15.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/day15.rs b/src/day15.rs
index 61a114b..aa3e372 100644
--- a/src/day15.rs
+++ b/src/day15.rs
@@ -49,8 +49,7 @@ fn get_number(start: &[usize], num_turns: usize) -> usize {
     let mut nums = start.to_vec();
     let mut num=std::usize::MAX;
     for i in 1..num_turns {
-        let e = cache.entry(nums[i - 1]).or_default();
-        num=e.add(i);
+        num = cache.entry(nums[i - 1]).or_default().add(i);
         if i >= nums.len() {
             nums.push(num);
         }