From dfcf9fc6a544f61025cdba14ed917cfb1f001429 Mon Sep 17 00:00:00 2001
From: Nathan Vegdahl <cessen@cessen.com>
Date: Sun, 11 Jan 2015 00:26:39 -0800
Subject: [PATCH] A simple implementation of move_text.

This should probably be replaced by a more efficient implementation in
the future, as this version will be slow and require large allocations
when moving large pieces of text.  But let's wait and see if it's a
problem in practice first.
---
 src/buffer/mod.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/buffer/mod.rs b/src/buffer/mod.rs
index 6d8c2b0..5ff0183 100644
--- a/src/buffer/mod.rs
+++ b/src/buffer/mod.rs
@@ -143,8 +143,11 @@ impl Buffer {
         }
         // All other cases
         else {
-            // TODO
-            return;
+            // TODO: a more efficient implementation that directly
+            // manipulates the node tree.
+            let s = self.string_from_range(pos_a, pos_b);
+            self.remove_text(pos_a, pos_b);
+            self.insert_text(s.as_slice(), pos_to);
         }
     }