From bd95bdc68cea43f571dba6f09592879b9c55a20a Mon Sep 17 00:00:00 2001
From: Wilfred Hughes <wilfred@fb.com>
Date: Tue, 19 Nov 2019 13:34:24 +0000
Subject: [PATCH] Add clarifying comments on boundary conditions

---
 src/lines.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lines.rs b/src/lines.rs
index 87bdf6938..7fd18b456 100644
--- a/src/lines.rs
+++ b/src/lines.rs
@@ -10,8 +10,8 @@ use pretty_assertions::assert_eq;
 /// A range in a string, relative to the string start.
 #[derive(Debug, PartialEq, Clone, Copy)]
 pub struct AbsoluteRange {
-    pub start: usize,
-    pub end: usize,
+    pub start: usize, // inclusive
+    pub end: usize, // exclusive
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]