X-Git-Url: https://www.flypig.org.uk/git/?p=harbour-pedalo.git;a=blobdiff_plain;f=src%2Fjourney.h;fp=src%2Fjourney.h;h=cd3df8833633c61cbbbf24ad2cfcd8dee8f88109;hp=560937e49f93dc9a78091678f1700fe0280e3124;hb=70180c4c4fd2807d16f90562d6876f3f07d388b1;hpb=d8058e5edcec89d8103ead111f87dc9040323685

diff --git a/src/journey.h b/src/journey.h
index 560937e..cd3df88 100644
--- a/src/journey.h
+++ b/src/journey.h
@@ -8,6 +8,9 @@
 class Journey
 {
 public:
+    friend class JourneyTimeDescending;
+    friend class JourneyTimeAscending;
+
     Journey();
     Journey(quint64 start, quint32 duration, quint32 overtook, quint32 overtakenby);
 
@@ -34,4 +37,18 @@ private:
     quint32 overtakenby;
 };
 
+class JourneyTimeAscending : std::binary_function<Journey,Journey, bool> {
+public:
+    bool operator() (Journey const &lhs, Journey const &rhs) const {
+        return lhs.start < rhs.start;
+    }
+};
+
+class JourneyTimeDescending : std::binary_function<Journey,Journey, bool> {
+public:
+    bool operator() (Journey const &lhs, Journey const &rhs) const {
+        return lhs.start > rhs.start;
+    }
+};
+
 #endif // JOURNEY_H