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remove useless helpers

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This commit is contained in:
Théo DELRIEU 2017-01-08 22:49:02 +01:00
parent b4cea6825d
commit 5839795725
2 changed files with 6 additions and 50 deletions
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28
src/json.hpp
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@ -152,23 +152,9 @@ template <bool B, typename T = void>
using enable_if_t = typename std::enable_if<B, T>::type;
template <typename T>
using remove_cv_t = typename std::remove_cv<T>::type;
template <typename T>
using remove_reference_t = typename std::remove_reference<T>::type;
template <typename T>
using uncvref_t = remove_cv_t<remove_reference_t<T>>;
template <bool If, typename Then, typename Else>
using conditional_t = typename std::conditional<If, Then, Else>::type;
using uncvref_t = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
// Taken from http://stackoverflow.com/questions/26936640/how-to-implement-is-enum-class-type-trait
template <typename T>
using is_scoped_enum =
std::integral_constant<bool, not std::is_convertible<T, int>::value and
std::is_enum<T>::value>;
template <typename T>
using is_unscoped_enum =
std::integral_constant<bool, std::is_convertible<T, int>::value and
@ -341,7 +327,7 @@ template <class...> struct conjunction : std::true_type {};
template <class B1> struct conjunction<B1> : B1 {};
template <class B1, class... Bn>
struct conjunction<B1, Bn...>
: conditional_t<bool(B1::value), conjunction<Bn...>, B1> {};
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
template <class B> struct negation : std::integral_constant < bool, !B::value > {};
@ -389,8 +375,6 @@ struct is_compatible_object_type_impl<true, RealType, CompatibleObjectType>
template<class BasicJson, class CompatibleObjectType>
struct is_compatible_object_type
{
// As noted ahead, we need to stop evaluating traits if
// `CompatibleObjectType = void`, hence the conjunction
static auto constexpr value = is_compatible_object_type_impl<
conjunction<negation<std::is_same<void, CompatibleObjectType>>,
has_mapped_type<CompatibleObjectType>,
@ -499,11 +483,6 @@ struct has_to_json
detect(std::declval<JSONSerializer<T, void>>()))>::value;
};
// those declarations are needed to workaround a MSVC bug related to ADL
// (taken from MSVC-Ranges implementation)
void to_json();
void from_json();
// overloads for basic_json template parameters
template <typename Json, typename ArithmeticType,
@ -568,7 +547,7 @@ void to_json(Json &j, CompatibleNumberIntegerType val) noexcept
template <typename Json, typename UnscopedEnumType,
enable_if_t<is_unscoped_enum<UnscopedEnumType>::value, int> = 0>
void to_json(Json &j, UnscopedEnumType e)
void to_json(Json &j, UnscopedEnumType e) noexcept
{
external_constructor<value_t::number_integer>::construct(j, e);
}
@ -736,7 +715,6 @@ void from_json(Json const &j, ArithmeticType &val)
struct to_json_fn
{
// is it really useful to mark those as constexpr?
template <typename Json, typename T>
constexpr auto operator()(Json&& j, T&& val) const
noexcept(noexcept(to_json(std::forward<Json>(j), std::forward<T>(val))))

28
src/json.hpp.re2c
View File

@ -152,23 +152,9 @@ template <bool B, typename T = void>
using enable_if_t = typename std::enable_if<B, T>::type;
template <typename T>
using remove_cv_t = typename std::remove_cv<T>::type;
template <typename T>
using remove_reference_t = typename std::remove_reference<T>::type;
template <typename T>
using uncvref_t = remove_cv_t<remove_reference_t<T>>;
template <bool If, typename Then, typename Else>
using conditional_t = typename std::conditional<If, Then, Else>::type;
using uncvref_t = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
// Taken from http://stackoverflow.com/questions/26936640/how-to-implement-is-enum-class-type-trait
template <typename T>
using is_scoped_enum =
std::integral_constant<bool, not std::is_convertible<T, int>::value and
std::is_enum<T>::value>;
template <typename T>
using is_unscoped_enum =
std::integral_constant<bool, std::is_convertible<T, int>::value and
@ -341,7 +327,7 @@ template <class...> struct conjunction : std::true_type {};
template <class B1> struct conjunction<B1> : B1 {};
template <class B1, class... Bn>
struct conjunction<B1, Bn...>
: conditional_t<bool(B1::value), conjunction<Bn...>, B1> {};
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
template <class B> struct negation : std::integral_constant < bool, !B::value > {};
@ -389,8 +375,6 @@ struct is_compatible_object_type_impl<true, RealType, CompatibleObjectType>
template<class BasicJson, class CompatibleObjectType>
struct is_compatible_object_type
{
// As noted ahead, we need to stop evaluating traits if
// `CompatibleObjectType = void`, hence the conjunction
static auto constexpr value = is_compatible_object_type_impl<
conjunction<negation<std::is_same<void, CompatibleObjectType>>,
has_mapped_type<CompatibleObjectType>,
@ -499,11 +483,6 @@ struct has_to_json
detect(std::declval<JSONSerializer<T, void>>()))>::value;
};
// those declarations are needed to workaround a MSVC bug related to ADL
// (taken from MSVC-Ranges implementation)
void to_json();
void from_json();
// overloads for basic_json template parameters
template <typename Json, typename ArithmeticType,
@ -568,7 +547,7 @@ void to_json(Json &j, CompatibleNumberIntegerType val) noexcept
template <typename Json, typename UnscopedEnumType,
enable_if_t<is_unscoped_enum<UnscopedEnumType>::value, int> = 0>
void to_json(Json &j, UnscopedEnumType e)
void to_json(Json &j, UnscopedEnumType e) noexcept
{
external_constructor<value_t::number_integer>::construct(j, e);
}
@ -736,7 +715,6 @@ void from_json(Json const &j, ArithmeticType &val)
struct to_json_fn
{
// is it really useful to mark those as constexpr?
template <typename Json, typename T>
constexpr auto operator()(Json&& j, T&& val) const
noexcept(noexcept(to_json(std::forward<Json>(j), std::forward<T>(val))))