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Replaced all_t/any_t by MUCH more performant versions

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rbock 2014-05-01 14:08:48 +02:00
parent 404be9054c
commit c033feb60f
1 changed files with 6 additions and 42 deletions
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48
include/sqlpp11/detail/logic.h
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@ -34,52 +34,16 @@ namespace sqlpp
namespace detail
{
template<bool... b>
struct all_impl;
template<>
struct all_impl<>
{
using type = std::true_type;
};
template<bool... Rest>
struct all_impl<true, Rest...>
{
using type = typename all_impl<Rest...>::type;
};
template<bool... Rest>
struct all_impl<false, Rest...>
{
using type = std::false_type;
};
struct all_helper;
template<template<typename> class Predicate, typename... T>
using all_t = typename all_impl<Predicate<T>::value...>::type;
template<bool... b>
struct any_impl;
template<>
struct any_impl<>
{
using type = std::false_type;
};
template<bool... Rest>
struct any_impl<false, Rest...>
{
using type = typename any_impl<Rest...>::type;
};
template<bool... Rest>
struct any_impl<true, Rest...>
{
using type = std::true_type;
};
using all_t = std::is_same<all_helper<Predicate<T>::value...>, all_helper<(true or Predicate<T>::value)...>>;
template<template<typename> class Predicate, typename... T>
using any_t = typename any_impl<Predicate<T>::value...>::type;
using any_t = typename std::conditional<std::is_same<all_helper<Predicate<T>::value...>, all_helper<(false and Predicate<T>::value)...>>::value,
std::false_type,
std::true_type
>::type;
template<bool>
struct not_impl;