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-rw-r--r--include/mbgl/util/optional.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/mbgl/util/optional.hpp b/include/mbgl/util/optional.hpp
index a9374a1b53..5b1f92b37e 100644
--- a/include/mbgl/util/optional.hpp
+++ b/include/mbgl/util/optional.hpp
@@ -7,4 +7,6 @@ namespace mbgl {
template <typename T>
using optional = std::experimental::optional<T>;
+static const auto nullopt = std::experimental::nullopt;
+
} // namespace mbgl