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spreadsheet_cell.ixx
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spreadsheet_cell.ixx
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export module spreadsheet_cell;
import std;
export class SpreadsheetCell {
public:
SpreadsheetCell(double initialValue);
SpreadsheetCell(std::string_view initialValue);
SpreadsheetCell(const SpreadsheetCell& src);
SpreadsheetCell() = default;
SpreadsheetCell& operator=(const SpreadsheetCell& rhs);
void setValue(double value);
double getValue() const;
void setString(std::string_view value);
std::string getString() const;
enum class Color { Red = 1, Green, Blue, Yellow };
void setColor(Color color);
Color getColor() const;
private:
static std::string doubleToString(double value);
static double stringToDouble(std::string_view value);
mutable size_t m_numAccesses{ 0 };
double m_value{0};
Color m_color{ Color::Red };
};
void SpreadsheetCell::setColor(Color color) { m_color = color; }
SpreadsheetCell::Color SpreadsheetCell::getColor() const { return m_color; }
inline double SpreadsheetCell::getValue() const
{
m_numAccesses++;
return m_value;
}
inline std::string SpreadsheetCell::getString() const
{
m_numAccesses++;
return doubleToString(m_value);
}
export class EvenSequence
{
public:
EvenSequence(std::initializer_list<double> args)
{
if (args.size() % 2 != 0) {
throw std::invalid_argument { "initializer_list should "
"contain even number of elements." };
}
m_sequence.reserve(args.size());
for (const auto& value : args) {
m_sequence.push_back(value);
}
}
void dump() const
{
for (const auto& value : m_sequence) {
std::cout << value << ", ";
}
std:: cout << std::endl;
}
private:
std::vector<double> m_sequence;
};