From 60a1d47c96c893a4e2c56fd5bdb72bd707d145fb Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Wed, 2 Jun 2021 12:09:16 -0700
Subject: [PATCH] Generalize Dimension<FragmentSummary> for tuples

---
 zed/src/editor/buffer.rs | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/zed/src/editor/buffer.rs b/zed/src/editor/buffer.rs
index f9e061030f3b93b74b1a9f56b0747fa89dc38485..5657b54a3f8c3368fd3fbe911718760740b5130d 100644
--- a/zed/src/editor/buffer.rs
+++ b/zed/src/editor/buffer.rs
@@ -2258,17 +2258,14 @@ impl<'a> sum_tree::SeekDimension<'a, FragmentSummary> for VersionedOffset {
     }
 }
 
-impl<'a> sum_tree::Dimension<'a, FragmentSummary> for (VersionedOffset, usize) {
+impl<'a, T, U> sum_tree::Dimension<'a, FragmentSummary> for (T, U)
+where
+    T: sum_tree::Dimension<'a, FragmentSummary>,
+    U: sum_tree::Dimension<'a, FragmentSummary>,
+{
     fn add_summary(&mut self, summary: &'a FragmentSummary, cx: &Option<time::Global>) {
         self.0.add_summary(summary, cx);
-        self.1 += summary.text.visible;
-    }
-}
-
-impl<'a> sum_tree::Dimension<'a, FragmentSummary> for (VersionedOffset, FullOffset) {
-    fn add_summary(&mut self, summary: &'a FragmentSummary, cx: &Option<time::Global>) {
-        self.0.add_summary(summary, cx);
-        self.1 .0 += summary.text.visible + summary.text.deleted;
+        self.1.add_summary(summary, cx);
     }
 }