Switch from Optional<T> to std::optional<T> (C++17). Run clang-format.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/test/fuzz/flatfile.cpp b/src/test/fuzz/flatfile.cpp
index a55de77df7..95dabb8bab 100644
--- a/src/test/fuzz/flatfile.cpp
+++ b/src/test/fuzz/flatfile.cpp
@@ -3,24 +3,24 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <flatfile.h>
-#include <optional.h>
 #include <test/fuzz/FuzzedDataProvider.h>
 #include <test/fuzz/fuzz.h>
 #include <test/fuzz/util.h>
 
 #include <cassert>
 #include <cstdint>
+#include <optional>
 #include <string>
 #include <vector>
 
 void test_one_input(const std::vector<uint8_t>& buffer)
 {
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
-    Optional<FlatFilePos> flat_file_pos = ConsumeDeserializable<FlatFilePos>(fuzzed_data_provider);
+    std::optional<FlatFilePos> flat_file_pos = ConsumeDeserializable<FlatFilePos>(fuzzed_data_provider);
     if (!flat_file_pos) {
         return;
     }
-    Optional<FlatFilePos> another_flat_file_pos = ConsumeDeserializable<FlatFilePos>(fuzzed_data_provider);
+    std::optional<FlatFilePos> another_flat_file_pos = ConsumeDeserializable<FlatFilePos>(fuzzed_data_provider);
     if (another_flat_file_pos) {
         assert((*flat_file_pos == *another_flat_file_pos) != (*flat_file_pos != *another_flat_file_pos));
     }