2015-04-15 23:18:00 +00:00
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/* Ranges for OctaSTD.
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*
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* This file is part of OctaSTD. See COPYING.md for futher information.
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*/
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#ifndef OCTA_RANGE_H
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#define OCTA_RANGE_H
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#include <stddef.h>
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#include "octa/types.h"
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2015-04-17 23:11:16 +00:00
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#include "octa/utility.h"
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2015-04-28 17:48:58 +00:00
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#include "octa/type_traits.h"
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2015-04-15 23:18:00 +00:00
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namespace octa {
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2015-04-27 18:56:06 +00:00
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struct InputRangeTag {};
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struct OutputRangeTag {};
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struct ForwardRangeTag {};
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struct BidirectionalRangeTag {};
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struct RandomAccessRangeTag {};
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2015-04-16 20:50:53 +00:00
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2015-05-03 22:44:48 +00:00
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template<typename T> using RangeCategory = typename T::Category;
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template<typename T> using RangeSize = typename T::SizeType;
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template<typename T> using RangeValue = typename T::ValType;
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template<typename T> using RangeReference = typename T::RefType;
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2015-04-15 23:18:00 +00:00
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2015-04-24 17:16:35 +00:00
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template<typename T>
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struct __OctaRangeIterator {
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2015-04-28 17:48:58 +00:00
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/* no need to mark noexcept as it's never instantiated directly */
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2015-04-24 17:16:35 +00:00
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__OctaRangeIterator(): p_range() {}
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explicit __OctaRangeIterator(const T &range): p_range(range) {}
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__OctaRangeIterator &operator++() {
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p_range.pop_first();
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return *this;
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}
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2015-05-03 20:54:26 +00:00
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RangeReference<T> operator*() {
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2015-04-24 17:16:35 +00:00
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return p_range.first();
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}
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2015-05-03 20:54:26 +00:00
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RangeReference<T> operator*() const {
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2015-04-24 17:16:35 +00:00
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return p_range.first();
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}
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bool operator!=(__OctaRangeIterator) const { return !p_range.empty(); }
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private:
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T p_range;
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};
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2015-04-15 23:18:00 +00:00
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2015-04-27 18:53:48 +00:00
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template<typename B, typename C, typename V, typename R = V &,
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typename S = size_t
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2015-04-27 18:56:06 +00:00
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> struct InputRange {
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2015-05-03 22:44:48 +00:00
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typedef C Category;
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typedef S SizeType;
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typedef V ValType;
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typedef R RefType;
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2015-04-16 01:07:32 +00:00
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2015-04-29 00:38:16 +00:00
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__OctaRangeIterator<B> begin() noexcept(
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IsNothrowCopyConstructible<B>::value
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) {
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2015-04-24 17:16:35 +00:00
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return __OctaRangeIterator<B>((const B &)*this);
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2015-04-17 19:14:43 +00:00
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}
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2015-04-29 00:38:16 +00:00
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__OctaRangeIterator<B> end() noexcept(
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IsNothrowDefaultConstructible<B>::value
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) {
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2015-04-24 17:16:35 +00:00
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return __OctaRangeIterator<B>();
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2015-04-17 19:14:43 +00:00
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}
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};
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2015-04-27 18:53:48 +00:00
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template<typename V, typename R = V &, typename S = size_t>
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2015-04-27 18:56:06 +00:00
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struct OutputRange {
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2015-05-03 22:44:48 +00:00
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typedef OutputRangeTag Category;
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typedef S SizeType;
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typedef V ValType;
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typedef R RefType;
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2015-04-17 20:33:01 +00:00
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};
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2015-04-17 19:14:43 +00:00
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template<typename T>
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2015-04-27 18:56:06 +00:00
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struct ReverseRange: InputRange<ReverseRange<T>,
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2015-05-03 20:54:26 +00:00
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RangeCategory<T>, RangeValue<T>, RangeReference<T>, RangeSize<T>
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2015-04-17 19:14:43 +00:00
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> {
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2015-04-27 18:53:48 +00:00
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private:
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2015-05-03 20:54:26 +00:00
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typedef RangeReference<T> r_ref;
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typedef RangeSize<T> r_size;
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2015-04-27 18:53:48 +00:00
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2015-04-28 17:48:58 +00:00
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T p_range;
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2015-04-27 18:53:48 +00:00
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public:
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2015-04-29 00:38:16 +00:00
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ReverseRange() noexcept(IsNothrowDefaultConstructible<T>::value):
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p_range() {}
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2015-04-28 17:48:58 +00:00
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2015-04-29 00:38:16 +00:00
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ReverseRange(const T &range) noexcept(
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IsNothrowCopyConstructible<T>::value
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): p_range(range) {}
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2015-04-28 17:48:58 +00:00
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2015-04-29 00:38:16 +00:00
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ReverseRange(const ReverseRange &it) noexcept(
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IsNothrowCopyConstructible<T>::value
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): p_range(it.p_range) {}
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2015-04-16 01:07:32 +00:00
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2015-04-29 00:38:16 +00:00
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ReverseRange(ReverseRange &&it) noexcept(
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IsNothrowMoveConstructible<T>::value
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): p_range(move(it.p_range)) {}
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2015-04-28 17:48:58 +00:00
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2015-04-29 00:38:16 +00:00
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ReverseRange &operator=(const ReverseRange &v) noexcept(
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IsNothrowCopyAssignable<T>::value
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) {
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2015-04-18 19:31:07 +00:00
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p_range = v.p_range;
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return *this;
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}
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2015-04-29 00:38:16 +00:00
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ReverseRange &operator=(ReverseRange &&v) noexcept(
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IsNothrowMoveAssignable<T>::value
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) {
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2015-04-18 19:31:07 +00:00
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p_range = move(v.p_range);
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return *this;
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}
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2015-04-29 00:38:16 +00:00
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ReverseRange &operator=(const T &v) noexcept(
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IsNothrowCopyAssignable<T>::value
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) {
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2015-04-18 19:31:07 +00:00
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p_range = v;
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return *this;
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}
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2015-04-29 00:38:16 +00:00
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ReverseRange &operator=(T &&v) noexcept(
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IsNothrowMoveAssignable<T>::value
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) {
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2015-04-28 17:48:58 +00:00
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p_range = move(v);
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2015-04-18 19:31:07 +00:00
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return *this;
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}
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2015-04-28 17:48:58 +00:00
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bool empty() const noexcept(noexcept(p_range.empty())) {
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return p_range.empty();
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}
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2015-04-27 18:53:48 +00:00
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2015-04-28 17:48:58 +00:00
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r_size length() const noexcept(noexcept(p_range.length())) {
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return p_range.length();
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}
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2015-04-16 01:07:32 +00:00
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2015-04-28 17:48:58 +00:00
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void pop_first() noexcept(noexcept(p_range.pop_last())) {
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p_range.pop_last();
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}
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void pop_last() noexcept(noexcept(p_range.pop_first())) {
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p_range.pop_first();
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}
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2015-04-16 01:07:32 +00:00
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2015-04-29 00:38:16 +00:00
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bool operator==(const ReverseRange &v) const noexcept(
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noexcept(p_range == v.p_range)
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) {
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2015-04-16 01:07:32 +00:00
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return p_range == v.p_range;
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}
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2015-04-29 00:38:16 +00:00
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bool operator!=(const ReverseRange &v) const noexcept(
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noexcept(p_range != v.p_range)
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) {
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2015-04-16 01:07:32 +00:00
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return p_range != v.p_range;
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}
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2015-04-28 17:48:58 +00:00
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r_ref first() noexcept(noexcept(p_range.last())) {
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return p_range.last();
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}
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r_ref first() const noexcept(noexcept(p_range.last())) {
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return p_range.last();
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}
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2015-04-16 01:07:32 +00:00
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2015-04-28 17:48:58 +00:00
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r_ref last() noexcept(noexcept(p_range.first())) {
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return p_range.first();
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}
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r_ref last() const noexcept(noexcept(p_range.first())) {
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return p_range.first();
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}
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2015-04-16 01:07:32 +00:00
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2015-04-28 17:48:58 +00:00
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r_ref operator[](r_size i) noexcept(noexcept(p_range[0])) {
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2015-04-16 01:13:53 +00:00
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return p_range[length() - i - 1];
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}
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2015-04-28 17:48:58 +00:00
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r_ref operator[](r_size i) const noexcept(noexcept(p_range[0])) {
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2015-04-16 01:13:53 +00:00
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return p_range[length() - i - 1];
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}
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2015-04-16 01:07:32 +00:00
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2015-04-29 00:38:16 +00:00
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ReverseRange<T> slice(r_size start, r_size end) noexcept(
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noexcept(ReverseRange<T>(p_range.slice(0, 0)))
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&& noexcept(p_range.length())
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) {
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2015-04-27 18:53:48 +00:00
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r_size len = p_range.length();
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2015-04-18 21:05:24 +00:00
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return ReverseRange<T>(p_range.slice(len - end, len - start));
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}
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2015-04-16 01:07:32 +00:00
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};
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template<typename T>
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2015-04-29 00:38:16 +00:00
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ReverseRange<T> make_reverse_range(const T &it) noexcept(
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noexcept(ReverseRange<T>(it))
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) {
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2015-04-16 01:07:32 +00:00
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return ReverseRange<T>(it);
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}
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2015-04-16 22:06:39 +00:00
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template<typename T>
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2015-04-27 18:56:06 +00:00
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struct MoveRange: InputRange<MoveRange<T>,
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2015-05-03 20:54:26 +00:00
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RangeCategory<T>, RangeValue<T>, RangeValue<T> &&, RangeSize<T>
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2015-04-17 19:14:43 +00:00
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> {
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2015-04-27 18:53:48 +00:00
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private:
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2015-05-03 20:54:26 +00:00
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typedef RangeValue<T> r_val;
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typedef RangeValue<T> &&r_ref;
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typedef RangeSize<T> r_size;
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2015-04-27 18:53:48 +00:00
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2015-04-28 17:48:58 +00:00
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T p_range;
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2015-04-27 18:53:48 +00:00
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public:
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2015-04-29 00:38:16 +00:00
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MoveRange() noexcept(IsNothrowDefaultConstructible<T>::value):
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p_range() {}
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2015-04-28 17:48:58 +00:00
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2015-04-29 00:38:16 +00:00
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MoveRange(const T &range) noexcept(
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IsNothrowCopyConstructible<T>::value
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): p_range(range) {}
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2015-04-16 22:06:39 +00:00
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2015-04-29 00:38:16 +00:00
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MoveRange(const MoveRange &it) noexcept(
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IsNothrowCopyConstructible<T>::value
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): p_range(it.p_range) {}
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2015-04-28 17:48:58 +00:00
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2015-04-29 00:38:16 +00:00
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MoveRange(MoveRange &&it) noexcept(
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IsNothrowMoveConstructible<T>::value
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): p_range(move(it.p_range)) {}
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2015-04-28 17:48:58 +00:00
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2015-04-29 00:38:16 +00:00
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MoveRange &operator=(const MoveRange &v) noexcept(
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IsNothrowCopyAssignable<T>::value
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) {
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2015-04-18 19:31:07 +00:00
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p_range = v.p_range;
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return *this;
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}
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2015-04-29 00:38:16 +00:00
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MoveRange &operator=(MoveRange &&v) noexcept(
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IsNothrowMoveAssignable<T>::value
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) {
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2015-04-18 19:31:07 +00:00
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p_range = move(v.p_range);
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return *this;
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}
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2015-04-29 00:38:16 +00:00
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MoveRange &operator=(const T &v) noexcept(
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IsNothrowCopyAssignable<T>::value
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) {
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2015-04-18 19:31:07 +00:00
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p_range = v;
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return *this;
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}
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2015-04-29 00:38:16 +00:00
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MoveRange &operator=(T &&v) noexcept(
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IsNothrowMoveAssignable<T>::value
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) {
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2015-04-28 17:48:58 +00:00
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p_range = move(v);
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2015-04-18 19:31:07 +00:00
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return *this;
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}
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2015-04-28 17:48:58 +00:00
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bool empty() const noexcept(noexcept(p_range.empty())) {
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return p_range.empty();
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}
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r_size length() const noexcept(noexcept(p_range.length())) {
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return p_range.length();
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}
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2015-04-16 22:06:39 +00:00
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2015-04-28 17:48:58 +00:00
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void pop_first() noexcept(noexcept(p_range.pop_first())) {
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p_range.pop_first();
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}
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void pop_last() noexcept(noexcept(p_range.pop_last())) {
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p_range.pop_last();
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}
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2015-04-16 22:06:39 +00:00
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2015-04-29 00:38:16 +00:00
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bool operator==(const MoveRange &v) const noexcept(
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noexcept(p_range == v.p_range)
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) {
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2015-04-16 22:06:39 +00:00
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return p_range == v.p_range;
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}
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2015-04-29 00:38:16 +00:00
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bool operator!=(const MoveRange &v) const noexcept(
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noexcept(p_range != v.p_range)
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) {
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2015-04-16 22:06:39 +00:00
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return p_range != v.p_range;
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}
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2015-04-28 17:48:58 +00:00
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r_ref first() noexcept(noexcept(p_range.first())) {
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return move(p_range.first());
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}
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r_ref last() noexcept(noexcept(p_range.last())) {
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return move(p_range.last());
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}
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2015-04-16 22:06:39 +00:00
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2015-04-28 17:48:58 +00:00
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r_ref operator[](r_size i) noexcept(noexcept(p_range[0])) {
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2015-04-16 22:06:39 +00:00
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return move(p_range[i]);
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}
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2015-04-29 00:38:16 +00:00
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MoveRange<T> slice(r_size start, r_size end) noexcept(
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noexcept(MoveRange<T>(p_range.slice(start, end)))
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) {
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2015-04-18 21:05:24 +00:00
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return MoveRange<T>(p_range.slice(start, end));
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}
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2015-04-28 17:48:58 +00:00
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void put(r_val &v) noexcept(noexcept(p_range.put(v))) {
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p_range.put(v);
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}
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2015-04-16 22:06:39 +00:00
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};
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2015-04-16 22:26:10 +00:00
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template<typename T>
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2015-04-29 00:38:16 +00:00
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MoveRange<T> make_move_range(const T &it) noexcept(
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noexcept(MoveRange<T>(it))
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) {
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2015-04-16 22:26:10 +00:00
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return MoveRange<T>(it);
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}
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2015-04-16 23:55:50 +00:00
|
|
|
|
|
|
|
template<typename T>
|
2015-04-27 18:56:06 +00:00
|
|
|
struct NumberRange: InputRange<NumberRange<T>, ForwardRangeTag, T> {
|
2015-04-28 17:48:58 +00:00
|
|
|
NumberRange() noexcept: p_a(0), p_b(0), p_step(0) {}
|
|
|
|
NumberRange(const NumberRange &it) noexcept: p_a(it.p_a), p_b(it.p_b),
|
2015-04-16 23:55:50 +00:00
|
|
|
p_step(it.p_step) {}
|
2015-04-28 17:48:58 +00:00
|
|
|
NumberRange(T a, T b, T step = 1) noexcept: p_a(a), p_b(b),
|
|
|
|
p_step(step) {}
|
|
|
|
NumberRange(T v) noexcept: p_a(0), p_b(v), p_step(1) {}
|
2015-04-16 23:55:50 +00:00
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
bool operator==(const NumberRange &v) const noexcept {
|
2015-04-17 19:20:38 +00:00
|
|
|
return p_a == v.p_a && p_b == v.p_b && p_step == v.p_step;
|
|
|
|
}
|
2015-04-28 17:48:58 +00:00
|
|
|
bool operator!=(const NumberRange &v) const noexcept {
|
2015-04-17 19:20:38 +00:00
|
|
|
return p_a != v.p_a || p_b != v.p_b || p_step != v.p_step;
|
|
|
|
}
|
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
bool empty() const noexcept { return p_a * p_step >= p_b * p_step; }
|
|
|
|
void pop_first() noexcept { p_a += p_step; }
|
|
|
|
T &first() noexcept { return p_a; }
|
2015-04-16 23:55:50 +00:00
|
|
|
|
|
|
|
private:
|
|
|
|
T p_a, p_b, p_step;
|
|
|
|
};
|
|
|
|
|
|
|
|
template<typename T>
|
2015-04-28 17:48:58 +00:00
|
|
|
NumberRange<T> range(T a, T b, T step = 1) noexcept {
|
2015-04-16 23:55:50 +00:00
|
|
|
return NumberRange<T>(a, b, step);
|
|
|
|
}
|
2015-04-17 19:33:36 +00:00
|
|
|
|
|
|
|
template<typename T>
|
2015-04-28 17:48:58 +00:00
|
|
|
NumberRange<T> range(T v) noexcept {
|
2015-04-17 19:33:36 +00:00
|
|
|
return NumberRange<T>(v);
|
|
|
|
}
|
2015-04-18 23:02:38 +00:00
|
|
|
|
|
|
|
template<typename T>
|
2015-04-27 18:56:06 +00:00
|
|
|
struct PointerRange: InputRange<PointerRange<T>, RandomAccessRangeTag, T> {
|
2015-04-28 17:48:58 +00:00
|
|
|
PointerRange() noexcept: p_beg(nullptr), p_end(nullptr) {}
|
|
|
|
PointerRange(const PointerRange &v) noexcept: p_beg(v.p_beg),
|
|
|
|
p_end(v.p_end) {}
|
|
|
|
PointerRange(T *beg, T *end) noexcept: p_beg(beg), p_end(end) {}
|
|
|
|
PointerRange(T *beg, size_t n) noexcept: p_beg(beg), p_end(beg + n) {}
|
2015-04-18 23:02:38 +00:00
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
bool operator==(const PointerRange &v) const noexcept {
|
2015-04-18 23:02:38 +00:00
|
|
|
return p_beg == v.p_beg && p_end == v.p_end;
|
|
|
|
}
|
2015-04-28 17:48:58 +00:00
|
|
|
bool operator!=(const PointerRange &v) const noexcept {
|
2015-04-18 23:02:38 +00:00
|
|
|
return p_beg != v.p_beg || p_end != v.p_end;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* satisfy InputRange / ForwardRange */
|
2015-04-28 17:48:58 +00:00
|
|
|
bool empty() const noexcept { return p_beg == nullptr; }
|
2015-04-18 23:02:38 +00:00
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
void pop_first() noexcept {
|
2015-04-18 23:02:38 +00:00
|
|
|
if (p_beg == nullptr) return;
|
|
|
|
if (++p_beg == p_end) p_beg = p_end = nullptr;
|
|
|
|
}
|
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
T &first() noexcept { return *p_beg; }
|
|
|
|
const T &first() const noexcept { return *p_beg; }
|
2015-04-18 23:02:38 +00:00
|
|
|
|
|
|
|
/* satisfy BidirectionalRange */
|
2015-04-28 17:48:58 +00:00
|
|
|
void pop_last() noexcept {
|
2015-04-18 23:02:38 +00:00
|
|
|
if (p_end-- == p_beg) { p_end = nullptr; return; }
|
|
|
|
if (p_end == p_beg) p_beg = p_end = nullptr;
|
|
|
|
}
|
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
T &last() noexcept { return *(p_end - 1); }
|
|
|
|
const T &last() const noexcept { return *(p_end - 1); }
|
2015-04-18 23:02:38 +00:00
|
|
|
|
|
|
|
/* satisfy RandomAccessRange */
|
2015-04-28 17:48:58 +00:00
|
|
|
size_t length() const noexcept { return p_end - p_beg; }
|
2015-04-18 23:02:38 +00:00
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
PointerRange slice(size_t start, size_t end) noexcept {
|
2015-04-18 23:02:38 +00:00
|
|
|
return PointerRange(p_beg + start, p_beg + end);
|
|
|
|
}
|
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
T &operator[](size_t i) noexcept { return p_beg[i]; }
|
|
|
|
const T &operator[](size_t i) const noexcept { return p_beg[i]; }
|
2015-04-18 23:02:38 +00:00
|
|
|
|
2015-04-21 16:56:36 +00:00
|
|
|
/* satisfy OutputRange */
|
2015-04-28 17:48:58 +00:00
|
|
|
void put(const T &v) noexcept(IsNothrowCopyAssignable<T>::value) {
|
|
|
|
*(p_beg++) = v;
|
|
|
|
}
|
2015-04-21 16:56:36 +00:00
|
|
|
|
2015-04-18 23:02:38 +00:00
|
|
|
private:
|
|
|
|
T *p_beg, *p_end;
|
|
|
|
};
|
2015-04-21 16:58:36 +00:00
|
|
|
|
2015-04-27 18:53:48 +00:00
|
|
|
template<typename T, typename S>
|
2015-04-21 16:58:36 +00:00
|
|
|
struct EnumeratedValue {
|
2015-04-27 18:53:48 +00:00
|
|
|
S index;
|
|
|
|
T value;
|
2015-04-21 16:58:36 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
template<typename T>
|
2015-04-27 18:56:06 +00:00
|
|
|
struct EnumeratedRange: InputRange<EnumeratedRange<T>,
|
2015-05-03 20:54:26 +00:00
|
|
|
InputRangeTag, RangeValue<T>,
|
|
|
|
EnumeratedValue<RangeReference<T>, RangeSize<T>>,
|
|
|
|
RangeSize<T>
|
2015-04-21 16:58:36 +00:00
|
|
|
> {
|
2015-04-27 18:53:48 +00:00
|
|
|
private:
|
2015-05-03 20:54:26 +00:00
|
|
|
typedef RangeReference<T> r_ref;
|
|
|
|
typedef RangeSize<T> r_size;
|
2015-04-27 18:53:48 +00:00
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
T p_range;
|
|
|
|
r_size p_index;
|
|
|
|
|
2015-04-27 18:53:48 +00:00
|
|
|
public:
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange() noexcept(IsNothrowDefaultConstructible<T>::value):
|
|
|
|
p_range(), p_index(0) {}
|
2015-04-28 17:48:58 +00:00
|
|
|
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange(const T &range) noexcept(
|
|
|
|
IsNothrowCopyConstructible<T>::value
|
|
|
|
): p_range(range), p_index(0) {}
|
2015-04-28 17:48:58 +00:00
|
|
|
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange(const EnumeratedRange &it) noexcept(
|
|
|
|
IsNothrowCopyConstructible<T>::value
|
|
|
|
): p_range(it.p_range), p_index(it.p_index) {}
|
2015-04-21 16:58:36 +00:00
|
|
|
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange(EnumeratedRange &&it) noexcept(
|
|
|
|
IsNothrowMoveConstructible<T>::value
|
|
|
|
): p_range(move(it.p_range)), p_index(it.p_index) {}
|
2015-04-28 17:48:58 +00:00
|
|
|
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange &operator=(const EnumeratedRange &v) noexcept(
|
|
|
|
IsNothrowCopyAssignable<T>::value
|
|
|
|
) {
|
2015-04-21 16:58:36 +00:00
|
|
|
p_range = v.p_range;
|
|
|
|
p_index = v.p_index;
|
|
|
|
return *this;
|
|
|
|
}
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange &operator=(EnumeratedRange &&v) noexcept(
|
|
|
|
IsNothrowMoveAssignable<T>::value
|
|
|
|
) {
|
2015-04-21 16:58:36 +00:00
|
|
|
p_range = move(v.p_range);
|
|
|
|
p_index = v.p_index;
|
|
|
|
return *this;
|
|
|
|
}
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange &operator=(const T &v) noexcept(
|
|
|
|
IsNothrowCopyAssignable<T>::value
|
|
|
|
) {
|
2015-04-21 16:58:36 +00:00
|
|
|
p_range = v;
|
|
|
|
p_index = 0;
|
|
|
|
return *this;
|
|
|
|
}
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange &operator=(T &&v) noexcept(
|
|
|
|
IsNothrowMoveAssignable<T>::value
|
|
|
|
) {
|
2015-04-28 17:48:58 +00:00
|
|
|
p_range = move(v);
|
2015-04-21 16:58:36 +00:00
|
|
|
p_index = 0;
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
bool empty() const noexcept(noexcept(p_range.empty())) {
|
|
|
|
return p_range.empty();
|
|
|
|
}
|
2015-04-21 16:58:36 +00:00
|
|
|
|
2015-04-28 17:48:58 +00:00
|
|
|
void pop_first() noexcept(noexcept(p_range.pop_last())) {
|
|
|
|
++p_index; p_range.pop_first();
|
|
|
|
}
|
2015-04-21 16:58:36 +00:00
|
|
|
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedValue<r_ref, r_size> first() noexcept(
|
|
|
|
noexcept(p_range.first())
|
|
|
|
) {
|
2015-04-27 18:53:48 +00:00
|
|
|
return EnumeratedValue<r_ref, r_size> { p_index, p_range.first() };
|
2015-04-21 16:58:36 +00:00
|
|
|
}
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedValue<r_ref, r_size> first() const noexcept(
|
|
|
|
noexcept(p_range.first())
|
|
|
|
) {
|
2015-04-27 18:53:48 +00:00
|
|
|
return EnumeratedValue<r_ref, r_size> { p_index, p_range.first() };
|
2015-04-21 16:58:36 +00:00
|
|
|
}
|
|
|
|
|
2015-04-29 00:38:16 +00:00
|
|
|
bool operator==(const EnumeratedRange &v) const noexcept(
|
|
|
|
noexcept(p_range == v.p_range)
|
|
|
|
) {
|
2015-04-21 16:58:36 +00:00
|
|
|
return p_range == v.p_range;
|
|
|
|
}
|
2015-04-29 00:38:16 +00:00
|
|
|
bool operator!=(const EnumeratedRange &v) const noexcept(
|
|
|
|
noexcept(p_range != v.p_range)
|
|
|
|
) {
|
2015-04-21 16:58:36 +00:00
|
|
|
return p_range != v.p_range;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
template<typename T>
|
2015-04-29 00:38:16 +00:00
|
|
|
EnumeratedRange<T> enumerate(const T &it) noexcept(
|
|
|
|
noexcept(EnumeratedRange<T>(it))
|
|
|
|
) {
|
2015-04-21 16:58:36 +00:00
|
|
|
return EnumeratedRange<T>(it);
|
|
|
|
}
|
2015-04-15 23:18:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|