From 54fa28994924803e2e4ead34521493e75286d1cc Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Sun, 9 Jun 2019 13:34:01 -0400
Subject: fix arrow key edge cases

---
 src/readline.rs | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/readline.rs b/src/readline.rs
index eaf29ec..d8d24ba 100644
--- a/src/readline.rs
+++ b/src/readline.rs
@@ -130,17 +130,15 @@ impl ReadlineState {
                 }
             }
             crossterm::KeyEvent::Left => {
-                let cursor = 0.max(self.cursor - 1);
-                if cursor != self.cursor {
+                if self.cursor != 0 {
+                    self.cursor -= 1;
                     self.write(b"\x1b[D").context(WriteToTerminal)?;
-                    self.cursor = cursor;
                 }
             }
             crossterm::KeyEvent::Right => {
-                let cursor = self.buffer.len().min(self.cursor + 1);
-                if cursor != self.cursor {
+                if self.cursor != self.buffer.len() {
+                    self.cursor += 1;
                     self.write(b"\x1b[C").context(WriteToTerminal)?;
-                    self.cursor = cursor;
                 }
             }
             _ => {}
-- 
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