From b021458352b539c5b00d3949609eef9ad44e7358 Mon Sep 17 00:00:00 2001
From: Alexandre Bury <alexandre.bury@gmail.com>
Date: Tue, 1 Aug 2017 09:47:08 -0700
Subject: [PATCH] Use more elegant saturating_sub

---
 src/utils/lines_iterator.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/utils/lines_iterator.rs b/src/utils/lines_iterator.rs
index 65de257..ccf7090 100644
--- a/src/utils/lines_iterator.rs
+++ b/src/utils/lines_iterator.rs
@@ -99,11 +99,8 @@ impl<'a> Iterator for LinesIterator<'a> {
         let content = &content[..next];
 
         let allowed_width = if self.show_spaces {
-            if self.width < 1 {
-                0
-            } else {
-                self.width - 1
-            }
+            // Remove 1 from the available space, if possible.
+            self.width.saturating_sub(1)
         } else {
             self.width
         };