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28 lines
430 B
28 lines
430 B
#pragma once
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#include <stddef.h>
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namespace cl
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{
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template<typename a, typename ...b>
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class tuple{
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a _mine;
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tuple<b...> _child;
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template<size_t idx, a, b...>
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friend a get();
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public:
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tuple(a mine, b ...child)
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: _mine(mine)
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, _child(child...)
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{}
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};
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template<size_t idx, typename ...a>
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constexpr auto get(tuple<a...> v)
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{
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if constexpr (idx!=0)
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return get<idx-1>(v._child);
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else
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return v._mine;
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}
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}
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