From a9874159fdc44ec51d67c3baa7422a5a36fdd46b Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Fri, 1 Apr 2016 22:39:52 -0400
Subject: [PATCH] Timeline: Now uses an Interval internally

---
 src/Timeline.cpp | 8 ++++----
 src/Timeline.h   | 3 +--
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/Timeline.cpp b/src/Timeline.cpp
index de7823b4..b87534e4 100644
--- a/src/Timeline.cpp
+++ b/src/Timeline.cpp
@@ -42,21 +42,21 @@
 //
 // Derived:
 //
-//            |----------|        |----------|                Tracked
-//   |-------|                                        |-----| Untracked
+//           |-----------|        |----------------|          Tracked
+//   |-------|                                        |-----| Gaps
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 ////////////////////////////////////////////////////////////////////////////////
 void Timeline::start (const Datetime& when)
 {
-  _start = when;
+  _range.start (when);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 void Timeline::end (const Datetime& when)
 {
-  _end = when;
+  _range.end (when);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/src/Timeline.h b/src/Timeline.h
index 632518b7..67d40e39 100644
--- a/src/Timeline.h
+++ b/src/Timeline.h
@@ -45,8 +45,7 @@ public:
   std::vector <Interval> untracked () const;
 
 private:
-  Datetime                _start      {0};
-  Datetime                _end        {0};
+  Interval                _range      {};
   std::vector <Interval>  _inclusions {};
   std::vector <Exclusion> _exclusions {};
 };