You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.6 KiB
49 lines
1.6 KiB
#pragma once
|
|
|
|
#include <cow.hpp>
|
|
#include <utility>
|
|
|
|
template<typename T>
|
|
struct TypedCow : private Cow, public _cow_util::Span<T> {
|
|
struct Fake;
|
|
|
|
inline TypedCow(size_t sz) : TypedCow(sz, T()) {}
|
|
template<typename... Args>
|
|
inline TypedCow(size_t sz, Args&&... args) : TypedCow(sz, T(std::forward<Args>(args)...)) {}
|
|
|
|
inline TypedCow(TypedCow<T>&& move) : Cow(std::move(move.super)) {
|
|
unsigned char* bytes = this->as_bytes();
|
|
for(size_t i=0;i<size();i++)
|
|
new ((void*)(bytes + (sizeof(T)*i))) T(std::move(move[i]));
|
|
}
|
|
inline TypedCow(const TypedCow<T>& copy) : Cow(copy.super) {
|
|
unsigned char* bytes = this->as_bytes();
|
|
for(size_t i=0;i<size();i++)
|
|
new ((void*)(bytes + (sizeof(T)*i))) T(copy[i]);
|
|
}
|
|
inline ~TypedCow() {
|
|
unsigned char* bytes = this->as_bytes();
|
|
for(size_t i=0;i<size();i++)
|
|
reinterpret_cast<T*>(bytes + (sizeof(T)*i))->~T();
|
|
}
|
|
|
|
void* area() { return (*this).Cow::area(); }
|
|
const void* area() const { return (*this).Cow::area(); }
|
|
inline size_t size() const override { return (*this).Cow::size() / sizeof(T); }
|
|
|
|
inline T& operator[](size_t i) { if (i>=size()) throw "idx"; else return *reinterpret_cast<T*>(this->as_bytes() + (sizeof(T) * i)); }
|
|
inline const T& operator[](size_t i) const { if (i>=size()) throw "idx"; else return *reinterpret_cast<const T*>(this->as_bytes() + (sizeof(T) * i)); }
|
|
|
|
private:
|
|
inline explicit TypedCow(size_t sz, const T& copy_from) : Cow(sz * sizeof(T)) {
|
|
unsigned char* bytes = this->as_bytes();
|
|
for(size_t i=0;i<sz;i++)
|
|
new ((void*)(bytes + (sizeof(T)*i))) T(copy_from);
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
struct TypedCow<T>::Fake : private Cow::Fake, public _cow_util::Span<T> {
|
|
|
|
};
|