From 5b23b11129feadc5761bba419282282543f158a5 Mon Sep 17 00:00:00 2001
From: Mugr Rex <no.reply@mugr.expert>
Date: Mon, 24 Apr 2023 19:10:04 +0200
Subject: [PATCH] Readded updater Must have been lost while concating
 everything into one commit

---
 include/updater/csv_file_parser.hpp | 2 +-
 include/updater/source.hpp          | 9 ++++-----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/include/updater/csv_file_parser.hpp b/include/updater/csv_file_parser.hpp
index e21565f1a..d51ada156 100644
--- a/include/updater/csv_file_parser.hpp
+++ b/include/updater/csv_file_parser.hpp
@@ -39,7 +39,7 @@ template <typename Key, typename Value> struct CSVFilesParser
     {
     }
 
-    // Operator returns a lambda function that maps input Key to boost::optional<Value>.
+    // Operator returns a lambda function that maps input Key to std::optional<Value>.
     auto operator()(const std::vector<std::string> &csv_filenames) const
     {
         try
diff --git a/include/updater/source.hpp b/include/updater/source.hpp
index 0b3dec11b..e97df9bd0 100644
--- a/include/updater/source.hpp
+++ b/include/updater/source.hpp
@@ -3,8 +3,7 @@
 
 #include "util/typedefs.hpp"
 
-#include <boost/optional.hpp>
-
+#include <optional>
 #include <vector>
 
 namespace osrm::updater
@@ -12,9 +11,9 @@ namespace osrm::updater
 
 template <typename Key, typename Value> struct LookupTable
 {
-    boost::optional<Value> operator()(const Key &key) const
+    std::optional<Value> operator()(const Key &key) const
     {
-        using Result = boost::optional<Value>;
+        using Result = std::optional<Value>;
         const auto it = std::lower_bound(
             lookup.begin(), lookup.end(), key, [](const auto &lhs, const auto &rhs) {
                 return rhs < lhs.first;
@@ -49,7 +48,7 @@ struct SpeedSource final
 {
     SpeedSource() : speed(0.), rate() {}
     double speed;
-    boost::optional<double> rate;
+    std::optional<double> rate;
     std::uint8_t source;
 };