heap_array.h

#pragma once
 
#include <cstdint>
#include <utility>
 
namespace smlt {
 
/*
 * heap_array<T> is a dynamically allocated array, nothing more, nothing less.
 * It just ensures that `delete []` is called correctly.
 */
 
template<typename T>
class heap_array {
public:
    heap_array(const std::size_t size):
        array_(new T[size]),
        size_(size) {
    }
 
    ~heap_array() {
        delete [] array_;
    }
 
    std::size_t size() const {
        return size_;
    }
 
    T& operator[](std::size_t idx) {
        return array_[idx];
    }
 
    const T& operator[](std::size_t idx) const {
        return array_[idx];
    }
 
private:
    T* array_ = nullptr;
    const std::size_t size_;
};
 
}