From 7ba863118fbd6a54a891a692a3cbe75bd3b3c9b6 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sat, 10 Dec 2022 21:36:22 -0500
Subject: [PATCH] Only require a mutable borrow by using option's take().

---
 src/parser/list.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/parser/list.rs b/src/parser/list.rs
index e685429b..b2df6de6 100644
--- a/src/parser/list.rs
+++ b/src/parser/list.rs
@@ -35,8 +35,8 @@ impl<T: Debug> List<T> {
         }
     }
 
-    pub fn pop_front(self) -> (Option<T>, List<T>) {
-        match self.head {
+    pub fn pop_front(&mut self) -> (Option<T>, List<T>) {
+        match self.head.take() {
             None => (None, List::new()),
             Some(popped_node) => {
                 let extracted_node =