[omim] Replaced boost::optional with std::optional.

Since C++17, optional is part of the C++ Standard Library.

2 files changed, 3 insertions, 4 deletions

diff --git a/web_api/request_headers.cpp b/web_api/request_headers.cpp
index 6fd027cc60..ad2964d3e3 100644
--- a/web_api/request_headers.cpp
+++ b/web_api/request_headers.cpp
@@ -32,7 +32,7 @@ platform::HttpClient::Headers GetCatalogHeaders(HeadersParams const & params)
   if (params.m_currentPosition)
   {
     std::ostringstream latLonStream;
-    auto const latLon = mercator::ToLatLon(params.m_currentPosition.get());
+    auto const latLon = mercator::ToLatLon(*params.m_currentPosition);
     latLonStream << std::fixed << std::setprecision(3) << latLon.m_lat << "," << latLon.m_lon;
     result.emplace(kLatLonHeader, latLonStream.str());
   }
diff --git a/web_api/request_headers.hpp b/web_api/request_headers.hpp
index d4f6ccc5a2..aab8d45f0d 100644
--- a/web_api/request_headers.hpp
+++ b/web_api/request_headers.hpp
@@ -6,16 +6,15 @@
 
 #include "base/geo_object_id.hpp"
 
+#include <optional>
 #include <vector>
 
-#include <boost/optional.hpp>
-
 namespace web_api
 {
 class HeadersParams
 {
 public:
-  boost::optional<m2::PointD> m_currentPosition;
+  std::optional<m2::PointD> m_currentPosition;
   std::vector<base::GeoObjectId> m_countryGeoIds;
   std::vector<base::GeoObjectId> m_cityGeoIds;
 };