From 7967522d1c8bc2ec0dc1491b2d1bb803e530bdef Mon Sep 17 00:00:00 2001
From: Vladimir Byko-Ianko <v.bykoianko@corp.mail.ru>
Date: Fri, 16 Oct 2020 09:03:52 +0300
Subject: [PATCH] Const correctness of Context::GetDistance().

---
 routing/base/astar_algorithm.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/routing/base/astar_algorithm.hpp b/routing/base/astar_algorithm.hpp
index 1d774693e8..4ea7fa7463 100644
--- a/routing/base/astar_algorithm.hpp
+++ b/routing/base/astar_algorithm.hpp
@@ -330,7 +330,7 @@ private:
       bestDistance.insert_or_assign(state.vertex, state.distance);
     }
 
-    std::optional<Weight> GetDistance(Vertex const & vertex)
+    std::optional<Weight> GetDistance(Vertex const & vertex) const
     {
       auto const it = bestDistance.find(vertex);
       return it != bestDistance.cend() ? std::optional<Weight>(it->second) : std::nullopt;