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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 {
template <typename T>
class Match : public Expression {
public:
using Branches = std::unordered_map<T, std::shared_ptr<Expression>>;
Match(type::Type type_,
std::unique_ptr<Expression> input_,
Branches branches_,
std::unique_ptr<Expression> otherwise_
) : Expression(type_),
input(std::move(input_)),
branches(std::move(branches_)),
otherwise(std::move(otherwise_))
{}
void eachChild(const std::function<void(const Expression&)>& visit) const override;
bool operator==(const Expression& e) const override;
EvaluationResult evaluate(const EvaluationContext& params) const override;
private:
std::unique_ptr<Expression> input;
Branches branches;
std::unique_ptr<Expression> otherwise;
};
ParseResult parseMatch(const mbgl::style::conversion::Convertible& value, ParsingContext& ctx);
} // namespace expression
} // namespace style
} // namespace mbgl
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