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#pragma once
#include <mbgl/style/expression/expression.hpp>
#include <mbgl/style/expression/parsing_context.hpp>
#include <mbgl/style/conversion.hpp>
#include <memory>
namespace mbgl {
namespace style {
namespace expression {
class Equals : public Expression {
public:
Equals(std::unique_ptr<Expression> lhs, std::unique_ptr<Expression> rhs, bool negate);
static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&);
void eachChild(const std::function<void(const Expression&)>& visit) const override;
bool operator==(const Expression&) const override;
EvaluationResult evaluate(const EvaluationContext&) const override;
std::vector<optional<Value>> possibleOutputs() const override;
private:
std::unique_ptr<Expression> lhs;
std::unique_ptr<Expression> rhs;
bool negate;
};
} // namespace expression
} // namespace style
} // namespace mbgl
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