From cb83458e7d0b84ef37c5beb72dda5046d7d343a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?= <hector@hecrj.dev>
Date: Sat, 16 Sep 2023 16:12:19 +0200
Subject: [PATCH] Rewrite `PreviousWord` logic in `Editor` with iterators

---
 src/edit/editor.rs | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/edit/editor.rs b/src/edit/editor.rs
index 9e36d30..31ebf31 100644
--- a/src/edit/editor.rs
+++ b/src/edit/editor.rs
@@ -592,16 +592,14 @@ impl Edit for Editor {
             Action::PreviousWord => {
                 let line: &mut BufferLine = &mut self.buffer.lines[self.cursor.line];
                 if self.cursor.index > 0 {
-                    let mut prev_index = 0;
-                    for (i, _) in line.text().unicode_word_indices() {
-                        if i < self.cursor.index {
-                            prev_index = i;
-                        } else {
-                            break;
-                        }
-                    }
+                    self.cursor.index = line
+                        .text()
+                        .unicode_word_indices()
+                        .rev()
+                        .map(|(i, _)| i)
+                        .find(|&i| i < self.cursor.index)
+                        .unwrap_or(0);
 
-                    self.cursor.index = prev_index;
                     self.buffer.set_redraw(true);
                 } else if self.cursor.line > 0 {
                     self.cursor.line -= 1;