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#pragma once
#include <mapbox/cheap_ruler.hpp>
#include <mbgl/style/expression/expression.hpp>
#include <mbgl/util/geojson.hpp>
namespace mbgl {
namespace style {
namespace expression {
class Distance final : public Expression {
public:
Distance(GeoJSON geoJSONSource_, Feature::geometry_type geometries_);
~Distance() override;
EvaluationResult evaluate(const EvaluationContext&) const override;
static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&);
void eachChild(const std::function<void(const Expression&)>&) const override {}
bool operator==(const Expression& e) const override;
std::vector<optional<Value>> possibleOutputs() const override;
mbgl::Value serialize() const override;
std::string getOperator() const override;
private:
GeoJSON geoJSONSource;
Feature::geometry_type geometries;
};
} // namespace expression
} // namespace style
} // namespace mbgl
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