From bffd0002c063a520227d3cfafea92ee4caa06ed1 Mon Sep 17 00:00:00 2001
From: Vivianne Langdon <puttabutta@gmail.com>
Date: Sat, 10 Dec 2022 15:36:57 -0800
Subject: [PATCH] Cleanup by-ref

---
 src/bin/p07.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/bin/p07.rs b/src/bin/p07.rs
index b2e87f2..5603523 100644
--- a/src/bin/p07.rs
+++ b/src/bin/p07.rs
@@ -5,7 +5,7 @@ use std::error::Error;
 use std::fmt::Display;
 use std::fs;
 use std::hash::{Hash, Hasher};
-use std::io::{self, BufRead, Read};
+use std::io::{self, BufRead};
 use std::path::{Path, PathBuf};
 
 mod parsing {
@@ -278,7 +278,6 @@ fn main() {
     let filename = "etc/p07.txt";
     let file = fs::File::open(filename).expect("Can't open file");
     let lines: Vec<String> = io::BufReader::new(file)
-        .by_ref()
         .lines()
         .flatten()
         .collect();