metaforce/Runtime/rstl.hpp

48 lines
919 B
C++

#ifndef __RSTL_HPP__
#define __RSTL_HPP__
#include <vector>
#include <stdlib.h>
#include "optional.hpp"
namespace rstl
{
template <typename T>
using optional_object = std::experimental::optional<T>;
/**
* @brief Vector reserved on construction
*/
template <class T, size_t N>
class reserved_vector : public std::vector<T>
{
public:
reserved_vector() { this->reserve(N); }
reserved_vector(size_t n, const T& val) : std::vector<T>(n, val) {}
};
template <class T, size_t N>
class prereserved_vector
{
size_t x0_size = 1;
T x4_data[N];
public:
void set_size(size_t n)
{
if (n <= N)
x0_size = n;
}
void set_data(const T* data) { memmove(x4_data, data, sizeof(T) * x0_size); }
size_t size() const { return x0_size; }
T& back() const { x4_data[(x0_size == 0) ? 0 : x0_size - 1]; }
T& front() const { return x4_data[0]; }
};
}
#endif // __RSTL_HPP__