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[sprout.tuple] support C++14 constexpr

This commit is contained in:
bolero-MURAKAMI 2013-10-29 16:33:25 +09:00
parent 63ae5babd0
commit 3f4a24289e

View file

@ -110,7 +110,7 @@ namespace sprout {
template<std::size_t, typename...>
friend class sprout::tuples::detail::tuple_impl;
protected:
void swap(tuple_impl&) SPROUT_NOEXCEPT {}
SPROUT_CXX14_CONSTEXPR void swap(tuple_impl&) SPROUT_NOEXCEPT {}
public:
tuple_impl() = default;
template<typename... UTypes>
@ -121,14 +121,18 @@ namespace sprout {
SPROUT_CONSTEXPR tuple_impl(tuple_impl<Index, UTypes...> const&) SPROUT_NOEXCEPT {}
template<typename... UTypes>
SPROUT_CONSTEXPR tuple_impl(tuple_impl<Index, UTypes...>&&) SPROUT_NOEXCEPT {}
tuple_impl& operator=(tuple_impl const&) = default;
tuple_impl& operator=(tuple_impl&& t) = default;
template<typename... UTypes>
tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UTypes...> const&) SPROUT_NOEXCEPT {
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(tuple_impl const&) SPROUT_NOEXCEPT {
return *this;
}
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(tuple_impl&& t) SPROUT_NOEXCEPT {
return *this;
}
template<typename... UTypes>
tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UTypes...>&&) SPROUT_NOEXCEPT {
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UTypes...> const&) SPROUT_NOEXCEPT {
return *this;
}
template<typename... UTypes>
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UTypes...>&&) SPROUT_NOEXCEPT {
return *this;
}
};
@ -159,7 +163,7 @@ namespace sprout {
return t;
}
public:
void swap(tuple_impl& t)
SPROUT_CXX14_CONSTEXPR void swap(tuple_impl& t)
SPROUT_NOEXCEPT_EXPR(
SPROUT_NOEXCEPT_EXPR(sprout::swap(head(std::declval<tuple_impl&>()), head(t)))
&& SPROUT_NOEXCEPT_EXPR(std::declval<inherited_type&>().swap(tail(t)))
@ -182,9 +186,9 @@ namespace sprout {
: inherited_type(sprout::forward<UTail>(tail)...)
, base_type(sprout::forward<UHead>(h))
{}
SPROUT_CONSTEXPR tuple_impl(tuple_impl const&) = default;
tuple_impl(tuple_impl const&) = default;
#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 8 && __GNUC_PATCHLEVEL__ <= 1))
SPROUT_CONSTEXPR tuple_impl(tuple_impl&&) = default;
tuple_impl(tuple_impl&&) = default;
#else
SPROUT_CONSTEXPR tuple_impl(tuple_impl&& t)
SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_constructible<Head>::value && std::is_nothrow_move_constructible<inherited_type>::value)
@ -210,12 +214,12 @@ namespace sprout {
: inherited_type()
, base_type()
{}
tuple_impl& operator=(tuple_impl const& t) {
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(tuple_impl const& t) {
head(*this) = head(t);
tail(*this) = tail(t);
return *this;
}
tuple_impl& operator=(tuple_impl&& t)
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(tuple_impl&& t)
SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<Head>::value && std::is_nothrow_move_assignable<inherited_type>::value)
{
head(*this) = sprout::forward<Head>(head(t));
@ -223,22 +227,22 @@ namespace sprout {
return *this;
}
template<typename... UTypes>
tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UTypes...> const& t) {
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UTypes...> const& t) {
head(*this) = sprout::tuples::detail::tuple_impl<Index, UTypes...>::head(t);
tail(*this) = sprout::tuples::detail::tuple_impl<Index, UTypes...>::tail(t);
return *this;
}
template<typename UHead, typename... UTail>
tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UHead, UTail...>&& t) {
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index, UHead, UTail...>&& t) {
head(*this) = sprout::forward<UHead>(sprout::tuples::detail::tuple_impl<Index, UHead, UTail...>::head(t));
tail(*this) = sprout::move(sprout::tuples::detail::tuple_impl<Index, UHead, UTail...>::tail(t));
return *this;
}
tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index> const&) {
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index> const&) {
*this = sprout::move(tuple_impl());
return *this;
}
tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index>&&) {
SPROUT_CXX14_CONSTEXPR tuple_impl& operator=(sprout::tuples::detail::tuple_impl<Index>&&) {
*this = sprout::move(tuple_impl());
return *this;
}
@ -315,8 +319,8 @@ namespace sprout {
explicit SPROUT_CONSTEXPR tuple(UTypes&&... elements)
: impl_type(sprout::forward<UTypes>(elements)...)
{}
SPROUT_CONSTEXPR tuple(tuple const&) = default;
SPROUT_CONSTEXPR tuple(tuple&&) = default;
tuple(tuple const&) = default;
tuple(tuple&&) = default;
template<
typename... UTypes,
typename = typename std::enable_if<
@ -392,11 +396,11 @@ namespace sprout {
>
SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::pair<UType1, UType2>&& t);
// tuple assignment
tuple& operator=(tuple const& rhs) {
SPROUT_CXX14_CONSTEXPR tuple& operator=(tuple const& rhs) {
static_cast<impl_type&>(*this) = rhs;
return *this;
}
tuple& operator=(tuple&& rhs)
SPROUT_CXX14_CONSTEXPR tuple& operator=(tuple&& rhs)
SPROUT_NOEXCEPT_EXPR(sprout::tpp::all_of<std::is_nothrow_move_assignable<Types>...>::value)
{
static_cast<impl_type&>(*this) = sprout::move(rhs);
@ -408,7 +412,7 @@ namespace sprout {
sizeof...(Types) == sizeof...(UTypes) && sprout::tpp::all_of<std::is_assignable<Types&, UTypes const&>...>::value
>::type
>
tuple& operator=(sprout::tuples::tuple<UTypes...> const& rhs) {
SPROUT_CXX14_CONSTEXPR tuple& operator=(sprout::tuples::tuple<UTypes...> const& rhs) {
static_cast<impl_type&>(*this) = rhs;
return *this;
}
@ -418,12 +422,12 @@ namespace sprout {
sizeof...(Types) == sizeof...(UTypes) && sprout::tpp::all_of<std::is_assignable<Types&, UTypes&&>...>::value
>::type
>
tuple& operator=(sprout::tuples::tuple<UTypes...>&& rhs) {
SPROUT_CXX14_CONSTEXPR tuple& operator=(sprout::tuples::tuple<UTypes...>&& rhs) {
static_cast<impl_type&>(*this) = sprout::move(rhs);
return *this;
}
// tuple swap
void swap(tuple& other)
SPROUT_CXX14_CONSTEXPR void swap(tuple& other)
SPROUT_NOEXCEPT_EXPR(sprout::tpp::all_of_c<SPROUT_NOEXCEPT_EXPR_OR_DEFAULT(sprout::swap(std::declval<Types&>(), std::declval<Types&>()), false)...>::value)
{
impl_type::swap(other);
@ -433,9 +437,9 @@ namespace sprout {
class tuple<> {
public:
// tuple construction
SPROUT_CONSTEXPR tuple() = default;
SPROUT_CONSTEXPR tuple(tuple const&) = default;
SPROUT_CONSTEXPR tuple(tuple&&) = default;
tuple() = default;
tuple(tuple const&) = default;
tuple(tuple&&) = default;
template<typename... UTypes>
explicit SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, UTypes&&...) {}
template<typename... UTypes>
@ -447,14 +451,14 @@ namespace sprout {
template<typename UType1, typename UType2>
SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::pair<UType1, UType2>&&) {}
// tuple swap
void swap(tuple&) SPROUT_NOEXCEPT {}
SPROUT_CXX14_CONSTEXPR void swap(tuple&) SPROUT_NOEXCEPT {}
};
//
// swap
//
template<typename... Types>
inline void
inline SPROUT_CXX14_CONSTEXPR void
swap(sprout::tuples::tuple<Types...>& lhs, sprout::tuples::tuple<Types...>& rhs)
SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs)))
{