better Area controls

made integer constructors explicit

include/cow.hpp

@@ -10,7 +10,7 @@ struct Cow : public _cow_util::Span<unsigned char> {
 	struct Fake;
 	Cow() = delete;
 
-	Cow(size_t size);
+	explicit Cow(size_t size);
 	Cow(Cow&& m);
 	virtual ~Cow();
 
@@ -34,6 +34,8 @@ struct Cow : public _cow_util::Span<unsigned char> {
 	
 	static Cow from_raw(cow_t* owned);
 
+	virtual cow_t* raw() const;
+
 	private:
 	struct _inner;
 	Cow(cow_t* raw);
@@ -56,6 +58,8 @@ struct Cow::Fake : public Cow {
 
 	static Fake from_real(const Cow& real);
 
+	inline cow_t* raw() const override { return fake; }
+
 	protected:
 	cow_t* get_raw() const override;
 	private:

include/cow/area.hpp

@@ -7,10 +7,15 @@
 #include <cow.hpp>
 
 struct Area {
-	Area(size_t sz);
+	Area() = delete;
+	
+	explicit Area(size_t sz);
 	Area(const Area& area);
 	Area(Area&& area);
 
+	Area(Cow&& move);
+	explicit Area(const Cow& copy);
+
 	inline const Cow* operator->() const { return _area.get(); }
 	inline Cow* operator->() { return _area.get(); }
 
@@ -22,6 +27,8 @@ struct Area {
 
 	inline bool is_clone() const { return dynamic_cast<Cow::Fake*>(_area.get()) != nullptr; }
 
+	inline cow_t* raw() const { return _area->raw(); }
+
 	~Area();
 	private:
 	const std::unique_ptr<Cow> _area;

src/area.cpp

@@ -6,3 +6,8 @@ Area::Area(const Area& copy) :
 Area::Area(Area&& move) :
 	_area(std::move(*const_cast<std::unique_ptr<Cow>*>(&move._area))){}
 Area::~Area(){}
+
+Area::Area(Cow&& r) :
+	_area(std::make_unique<Cow>(std::move(r))){}
+Area::Area(const Cow& r) :
+	_area(std::make_unique<Cow::Fake>(r.clone())){}

src/cow.cpp

@@ -41,6 +41,8 @@ cow_t* Cow::get_raw() const { return super->ptr(); }
 
 size_t Cow::size() const { return super->cow.size; }
 
+cow_t* Cow::raw() const { return &super->cow; }
+
 Cow::Fake::Fake(const Cow& copy) : Cow(copy), fake(cow_clone(copy.super->ptr())){}
 Cow::Fake::Fake(const Fake& copy) : Cow(copy), fake(cow_clone(copy.fake)){}//Fake(*static_cast<const Cow*>(&copy)){}
 Cow::Fake::Fake(Fake&& move) : Cow(std::move(move)), fake(move.fake)

src/test/main.cpp

@@ -170,7 +170,9 @@ void moving_cow(Cow moved)
 
 int main()
 {
-	Area area(4000);
+	Cow _area(4000);
+
+	Area area = std::move(_area);
 	write_fake(area, "Hello???");
 	Area area2 = area;
 	write_fake(area2, "Hi");