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https://github.com/ikawrakow/ik_llama.cpp.git
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57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
#pragma once
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#include <tuple>
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#include<type_traits>
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namespace sqlite {
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namespace utility {
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template<typename> struct function_traits;
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template <typename Function>
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struct function_traits : public function_traits<
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decltype(&std::remove_reference<Function>::type::operator())
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> { };
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template <
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typename ClassType,
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typename ReturnType,
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typename... Arguments
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>
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struct function_traits<
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ReturnType(ClassType::*)(Arguments...) const
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> : function_traits<ReturnType(*)(Arguments...)> { };
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/* support the non-const operator ()
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* this will work with user defined functors */
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template <
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typename ClassType,
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typename ReturnType,
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typename... Arguments
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>
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struct function_traits<
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ReturnType(ClassType::*)(Arguments...)
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> : function_traits<ReturnType(*)(Arguments...)> { };
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template <
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typename ReturnType,
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typename... Arguments
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>
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struct function_traits<
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ReturnType(*)(Arguments...)
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> {
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typedef ReturnType result_type;
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using argument_tuple = std::tuple<Arguments...>;
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template <std::size_t Index>
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using argument = typename std::tuple_element<
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Index,
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argument_tuple
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>::type;
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static const std::size_t arity = sizeof...(Arguments);
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};
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}
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}
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