From c9d8be0704adb4a4d6dc3320bd1880e831eb8ce6 Mon Sep 17 00:00:00 2001
From: Nathan Vegdahl <cessen@cessen.com>
Date: Sun, 31 Dec 2017 00:42:07 -0800
Subject: [PATCH] Use Ropey's reader to load from disk.

Saves memory and is also faster.  Win-win!
---
 src/buffer/mod.rs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/buffer/mod.rs b/src/buffer/mod.rs
index 7933583..d3d1fb7 100644
--- a/src/buffer/mod.rs
+++ b/src/buffer/mod.rs
@@ -42,12 +42,8 @@ impl Buffer {
     }
 
     pub fn new_from_file(path: &Path) -> io::Result<Buffer> {
-        let mut f = BufReader::new(try!(File::open(path)));
-        let mut string = String::new();
-        try!(f.read_to_string(&mut string));
-
         let buf = Buffer {
-            text: Rope::from_str(&string[..]),
+            text: Rope::from_reader(BufReader::new(try!(File::open(path))))?,
             file_path: Some(path.to_path_buf()),
             undo_stack: UndoStack::new(),
         };