🛠️🐜 Antkeeper superbuild with dependencies included
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29 lines
741 B
29 lines
741 B
#ifndef ENTT_CORE_TUPLE_HPP
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#define ENTT_CORE_TUPLE_HPP
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#include <tuple>
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#include <type_traits>
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#include <utility>
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#include "../config/config.h"
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namespace entt {
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/**
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* @brief Utility function to unwrap tuples of a single element.
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* @tparam Type Tuple type of any sizes.
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* @param value A tuple object of the given type.
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* @return The tuple itself if it contains more than one element, the first
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* element otherwise.
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*/
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template<typename Type>
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constexpr decltype(auto) unwrap_tuple(Type &&value) ENTT_NOEXCEPT {
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if constexpr(std::tuple_size_v<std::remove_reference_t<Type>> == 1u) {
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return std::get<0>(std::forward<Type>(value));
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} else {
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return std::forward<Type>(value);
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}
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}
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} // namespace entt
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#endif
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