From 56a53d4bde652299a4d2e4ae99887eb96d22cf33 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestad@sintef.no>
Date: Mon, 10 Oct 2022 11:48:01 +0200
Subject: [PATCH] Add Empty Predicate to WellSegments Collection

Will be useful when deciding whether or not to collect segment
information in the RFT file.
---
 opm/input/eclipse/Schedule/MSW/WellSegments.hpp     | 1 +
 src/opm/input/eclipse/Schedule/MSW/WellSegments.cpp | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/opm/input/eclipse/Schedule/MSW/WellSegments.hpp b/opm/input/eclipse/Schedule/MSW/WellSegments.hpp
index 394a7729f..bec24293c 100644
--- a/opm/input/eclipse/Schedule/MSW/WellSegments.hpp
+++ b/opm/input/eclipse/Schedule/MSW/WellSegments.hpp
@@ -74,6 +74,7 @@ namespace Opm {
         static WellSegments serializationTestObject();
 
         std::size_t size() const;
+        bool empty() const;
         double depthTopSegment() const;
         double lengthTopSegment() const;
         double volumeTopSegment() const;
diff --git a/src/opm/input/eclipse/Schedule/MSW/WellSegments.cpp b/src/opm/input/eclipse/Schedule/MSW/WellSegments.cpp
index 5aacbbdbc..c38e21369 100644
--- a/src/opm/input/eclipse/Schedule/MSW/WellSegments.cpp
+++ b/src/opm/input/eclipse/Schedule/MSW/WellSegments.cpp
@@ -73,6 +73,10 @@ namespace Opm {
         return m_segments.size();
     }
 
+    bool WellSegments::empty() const {
+        return this->m_segments.empty();
+    }
+
     const Segment& WellSegments::topSegment() const {
         return this->m_segments[0];
     }