From bc8bb5255110856c2dd50a64b9887dab7b3728a3 Mon Sep 17 00:00:00 2001
From: "Dustin J. Mitchell" <dustin@v.igoro.us>
Date: Mon, 27 Dec 2021 00:14:40 +0000
Subject: [PATCH] do not use str.split_once, as it is not in MSRV

---
 taskchampion/src/task/task.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/taskchampion/src/task/task.rs b/taskchampion/src/task/task.rs
index fa22b026a..40a85ba87 100644
--- a/taskchampion/src/task/task.rs
+++ b/taskchampion/src/task/task.rs
@@ -61,10 +61,13 @@ enum Prop {
 
 #[allow(clippy::ptr_arg)]
 fn uda_string_to_tuple(key: &str) -> (&str, &str) {
-    if let Some((ns, key)) = key.split_once('.') {
-        (ns, key)
+    let mut iter = key.splitn(2, '.');
+    let first = iter.next().unwrap();
+    let second = iter.next();
+    if let Some(second) = second {
+        (first, second)
     } else {
-        ("", key)
+        ("", first)
     }
 }