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#ifndef MBGL_STYLE_FADEDFUNCTION_PROPERTIES
#define MBGL_STYLE_FADEDFUNCTION_PROPERTIES
#include <mbgl/style/zoom_history.hpp>
#include <vector>
namespace mbgl {
template <typename T>
struct PiecewiseConstantFunction {
inline PiecewiseConstantFunction(const std::vector<std::pair<float, T>> &values_, std::chrono::duration<float> duration_) : values(values_), duration(duration_) {}
inline PiecewiseConstantFunction(T &value, std::chrono::duration<float> duration_) : values({{ 0, value }}), duration(duration_) {}
inline PiecewiseConstantFunction() : values(), duration(std::chrono::milliseconds(300)) {}
T evaluate(float z, const ZoomHistory &zoomHistory) const;
private:
const std::vector<std::pair<float, T>> values;
const std::chrono::duration<float> duration;
};
}
#endif
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