From e109022bfd34b9297905b9da5904f6aa2279e74f Mon Sep 17 00:00:00 2001
From: Slug <106496265+GreasySlug@users.noreply.github.com>
Date: Sun, 10 Jul 2022 17:54:06 +0900
Subject: [PATCH] fix: error that caused usize to overflow (#3024)

* fix: error that caused usize to overflow

* update: changed check_sub to saturating_sub
---
 helix-term/src/commands.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index c9e350628..193d5d405 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1414,7 +1414,7 @@ fn copy_selection_on_line(cx: &mut Context, direction: Direction) {
         let (head, anchor) = if range.anchor < range.head {
             (range.head - 1, range.anchor)
         } else {
-            (range.head, range.anchor - 1)
+            (range.head, range.anchor.saturating_sub(1))
         };
 
         let tab_width = doc.tab_width();