7f19d64164
git-subtree-dir: third_party/immer git-subtree-split: ad3e3556d38bb75966dd24c61a774970a7c7957e
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
//
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// immer: immutable data structures for C++
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// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
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//
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// This software is distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
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//
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#pragma once
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#include <immer/experimental/detail/dvektor_impl.hpp>
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#include <immer/memory_policy.hpp>
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namespace immer {
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template <typename T, int B = 5, typename MemoryPolicy = default_memory_policy>
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class dvektor
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{
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using impl_t = detail::dvektor::impl<T, B, MemoryPolicy>;
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public:
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using value_type = T;
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using reference = const T&;
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using size_type = std::size_t;
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using difference_type = std::ptrdiff_t;
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using const_reference = const T&;
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using iterator = detail::dvektor::iterator<T, B, MemoryPolicy>;
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using const_iterator = iterator;
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using reverse_iterator = std::reverse_iterator<iterator>;
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dvektor() = default;
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iterator begin() const { return {impl_}; }
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iterator end() const { return {impl_, typename iterator::end_t{}}; }
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reverse_iterator rbegin() const { return reverse_iterator{end()}; }
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reverse_iterator rend() const { return reverse_iterator{begin()}; }
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std::size_t size() const { return impl_.size; }
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bool empty() const { return impl_.size == 0; }
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reference operator[](size_type index) const { return impl_.get(index); }
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dvektor push_back(value_type value) const
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{
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return {impl_.push_back(std::move(value))};
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}
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dvektor assoc(std::size_t idx, value_type value) const
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{
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return {impl_.assoc(idx, std::move(value))};
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}
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template <typename FnT>
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dvektor update(std::size_t idx, FnT&& fn) const
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{
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return {impl_.update(idx, std::forward<FnT>(fn))};
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}
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private:
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dvektor(impl_t impl)
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: impl_(std::move(impl))
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{}
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impl_t impl_ = detail::dvektor::empty<T, B, MemoryPolicy>;
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};
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} // namespace immer
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