From 112481864126e365a18d4b1d8fcc75bf7a85ae05 Mon Sep 17 00:00:00 2001
From: Stephen Waits <swaits@amazon.com>
Date: Thu, 10 Dec 2020 17:59:49 -0800
Subject: [PATCH] day 9: minor cleanup

Signed-off-by: Stephen Waits <swaits@amazon.com>
---
 src/day09.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/day09.rs b/src/day09.rs
index 9539d14..3d6b103 100644
--- a/src/day09.rs
+++ b/src/day09.rs
@@ -5,10 +5,8 @@ use anyhow::{anyhow, Result};
 
 fn is_bad(data: &Vec<i64>, n: usize, i: usize) -> Result<i64> {
     let prev_n = &data[i - n..i];
-    let found =
-        utils::combinations(2, prev_n.len()).any(|c| data[i] == prev_n[c[0]] + prev_n[c[1]]);
-    if !found {
-        return Ok(data[i]);
+    if !utils::combinations(2, prev_n.len()).any(|c| data[i] == prev_n[c[0]] + prev_n[c[1]]) {
+        Ok(data[i])
     } else {
         Err(anyhow!("no result found"))
     }