ClickHouse/libs/libcommon/include/ext/function_traits.h

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2015-10-05 00:33:43 +00:00
#pragma once
#include <tuple>
#include <type_traits>
template <typename T>
struct function_traits;
template <typename ReturnType, typename... Args>
struct function_traits<ReturnType(Args...)>
{
using result = ReturnType;
using arguments = std::tuple<Args...>;
using arguments_decay = std::tuple<typename std::decay<Args>::type...>;
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};