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13 lines
249 B
13 lines
249 B
3 weeks ago
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#pragma once
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#include <utility>
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struct identity_fn {
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template <typename Type>
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constexpr decltype(auto) operator()(Type &&value) const
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{
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return std::forward<Type>(value);
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}
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};
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static constexpr auto identity = identity_fn{};
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