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160 lines
2.8 KiB
160 lines
2.8 KiB
#pragma once
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#include <initializer_list>
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#include <gp/buffer.hpp>
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namespace gp{
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template<typename T, std::size_t sz>
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class array{
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public:
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T ary[sz];
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using associated_iterator = pointer_iterator<T, 1>;
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using associated_const_iterator = const_pointer_iterator<T, 1>;
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using associated_riterator = pointer_iterator<T, -1>;
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using associated_const_riterator = const_pointer_iterator<T, -1>;
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array()
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: ary()
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{}
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array(const array& oth)
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{
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auto it_l = begin();
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auto it_o = oth.cbegin();
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for(size_t i = 0; i < sz; ++i)
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{
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new(&*(it_l++)) T(*(it_o++));
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}
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}
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template<typename ...U>
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array(U&& ...values)
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: ary{gp::move((T&&)values)...}
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{}
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array(array&& values)
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{
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gp::move_uninitialized(
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values,
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*this
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);
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}
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template<>
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array<T[sz]>(T (& oth)[sz]) {
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gp::move_uninitialized<T>(
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gp::nameless_range(oth, oth+sz),
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gp::nameless_range(begin(), end())
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);
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}
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template<>
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array<T[sz]>(T (&& oth)[sz]) {
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gp::move_uninitialized(
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gp::nameless_range(oth, oth+sz),
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gp::nameless_range(begin(), end())
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);
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}
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array& operator=(array& oth)
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{
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for(size_t i = 0; i < sz; ++i)
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{
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ary[i]=oth[i];
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}
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return *this;
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}
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array& operator=(array&& oth)
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{
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for(size_t i = 0; i < sz; ++i)
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{
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ary[i]=gp::move(oth[i]);
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}
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return *this;
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}
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constexpr T& operator[] (size_t off)
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{
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if constexpr (gp_config::has_buffer_bounds)
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{
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gp_config::assertion(
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off < sz,
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"Array bounds infringed"
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);
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}
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return ary[off];
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}
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constexpr const T& operator[] (size_t off) const
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{
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return ary[off];
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}
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constexpr size_t size() const
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{
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return sz;
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}
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constexpr pointer_iterator<T, 1> begin()
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{
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return associated_iterator(&ary[0]);
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}
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constexpr pointer_iterator<T, 1> end()
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{
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return associated_iterator(&ary[sz]);
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}
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constexpr const_pointer_iterator<T, 1> cbegin() const
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{
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return associated_const_iterator(&ary[0]);
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}
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constexpr const_pointer_iterator<T, 1> cend() const
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{
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return associated_const_iterator(&ary[sz]);
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}
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constexpr pointer_iterator<T, -1> rbegin()
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{
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return associated_riterator(&ary[sz-1]);
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}
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constexpr pointer_iterator<T, -1> rend()
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{
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return associated_riterator(ary-1);
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}
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constexpr const_pointer_iterator<T, -1> crbegin() const
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{
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return associated_const_riterator(&ary[sz-1]);
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}
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constexpr const_pointer_iterator<T, -1> crend() const
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{
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return associated_const_riterator(ary-1);
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}
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constexpr bool operator==(const array& oth) const
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{
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for(size_t idx = 0; idx<sz; idx++)
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{
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if(ary[idx] != oth.ary[idx])
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{
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return false;
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}
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}
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return true;
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}
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constexpr bool operator!=(const array& oth) const
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{
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return !(*this == oth);
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}
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gp::buffer<T> as_buffer()
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{
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return gp::buffer<T>{(T*)ary, (T*)ary+sz};
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}
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};
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}
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