31 lines
627 B
C++
31 lines
627 B
C++
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#pragma once
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#include "inheritance.hpp"
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#include <memory>
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#include <string>
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#include <vector>
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namespace oop {
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[[nodiscard]] auto total_area(const std::vector<std::unique_ptr<Shape>>& shapes) -> double;
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[[nodiscard]] auto shape_names(const std::vector<std::unique_ptr<Shape>>& shapes)
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-> std::vector<std::string>;
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class Counter {
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public:
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Counter() = default;
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Counter(const Counter&) { ++copies_; }
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auto operator=(const Counter&) -> Counter& {
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++copies_;
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return *this;
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}
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[[nodiscard]] static auto copies() -> int;
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private:
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inline static int copies_ = 0;
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};
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} // namespace oop
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