mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 08:32:02 +00:00
33 lines
906 B
C++
33 lines
906 B
C++
#pragma once
|
|
|
|
#include <type_traits>
|
|
#include <utility>
|
|
|
|
template <auto Val, decltype(Val)... List>
|
|
inline constexpr bool static_in_v = std::disjunction_v<std::bool_constant<Val == List>...>;
|
|
|
|
template <typename Func, typename Arg>
|
|
bool func_wrapper(Func && func, Arg && arg)
|
|
{
|
|
if constexpr (std::is_void_v<std::invoke_result_t<Func, Arg>>)
|
|
{
|
|
func(arg);
|
|
return false;
|
|
}
|
|
else
|
|
return func(arg);
|
|
}
|
|
|
|
template <typename T, T Begin, typename Func, T... Is>
|
|
constexpr bool static_for_impl(Func && f, std::integer_sequence<T, Is...>)
|
|
{
|
|
return (func_wrapper(std::forward<Func>(f), std::integral_constant<T, Begin + Is>{}) || ...);
|
|
}
|
|
|
|
template <auto Begin, decltype(Begin) End, typename Func>
|
|
constexpr bool static_for(Func && f)
|
|
{
|
|
using T = decltype(Begin);
|
|
return static_for_impl<T, Begin>(std::forward<Func>(f), std::make_integer_sequence<T, End - Begin>{});
|
|
}
|