array.h

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#pragma once
#include <scl/stream/details/deprecation.h>
#include <array>
#include <scl/stream/details/iterator/BaseStreamIterator.h>
#include <scl/stream/details/payload.h>
#include <scl/tools/make/make.hpp>

namespace scl{
    namespace stream{
        namespace creators{
            namespace details{
                template <class T, size_t N>
                class FromArrayIterator : public scl::stream::details::iterator::BaseStreamIterator<T>{
                    public:
                        using iterator_type = scl::stream::details::iterator::BaseStreamIterator<T>;
                        using value_type = typename iterator_type::value_type;
                        using payload_type = typename iterator_type::payload_type;

                    protected:
                        std::array<T, N> arr;

                        size_t index = 0;

                    public:
                        explicit constexpr FromArrayIterator(std::array<T, N> arr) : arr{std::move(arr)}{
                        }

                        constexpr bool hasNext() const override{ return this->index < N; }

                        payload_type next() override{
                            if(!this->hasNext())
                                return payload_type::withoutValue();

                            const auto& value = this->arr[this->index];
                            this->index += 1;

                            return payload_type::withValue(value);
                        }

                        /*FromArrayIterator<T, N> clone() const override{
                            return FromArrayIterator{this->arr};
                        }*/
                };
            }

            template <class T, size_t N>
            Stream<T> streamFrom(std::array<T, N> a){
                using namespace scl::tools;
                return Stream<T>{
                    make::ptr<details::FromArrayIterator<T, N>>(std::move(a))
                };
            }
        }
    }
}