From 8ca97ae30c177a4111969b8cd7612988071e13dd Mon Sep 17 00:00:00 2001
From: Dan Davison <dandavison7@gmail.com>
Date: Mon, 29 Jul 2019 12:03:40 -0400
Subject: Exclude leading whitespace in edit distance calculation

---
 src/edits.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'src/edits.rs')

diff --git a/src/edits.rs b/src/edits.rs
index db7786ea..060c2851 100644
--- a/src/edits.rs
+++ b/src/edits.rs
@@ -113,7 +113,6 @@ mod line_pair {
     }
 
     impl Edit {
-        // TODO: exclude leading whitespace in this calculation
         fn distance(&self) -> f64 {
             (self.end - self.start) as f64 / self.string_length as f64
         }
@@ -163,12 +162,12 @@ mod line_pair {
             let minus_edit = Edit {
                 start: change_begin[0],
                 end: minus_change_end,
-                string_length: minus_length,
+                string_length: minus_length - leading_whitespace[0],
             };
             let plus_edit = Edit {
                 start: change_begin[1],
                 end: plus_change_end,
-                string_length: plus_length,
+                string_length: plus_length - leading_whitespace[1],
             };
             let distance = minus_edit.distance() + plus_edit.distance();
             LinePair {
-- 
cgit v1.2.3