From 3f2faf4167a7783b30564c09d3b782938e35e3e0 Mon Sep 17 00:00:00 2001
From: James Campos <james.r.campos@gmail.com>
Date: Tue, 21 Apr 2020 01:34:24 -0700
Subject: saturating
---
src/main.rs | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/src/main.rs b/src/main.rs
index e232c40..280aa2a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -202,11 +202,7 @@ impl Bk {
| KeyCode::PageUp
| KeyCode::Char('h') => {
if self.pos > 0 {
- if self.pos < self.rows {
- self.pos = 0;
- } else {
- self.pos -= self.rows;
- }
+ self.pos = self.pos.saturating_sub(self.rows);
} else if self.chapter_idx > 0 {
self.get_chapter(self.chapter_idx - 1);
self.pos = (self.chapter.len() / self.rows) * self.rows;
--
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