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fix optional

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This commit is contained in:
bolero-MURAKAMI 2013-03-31 10:09:02 +09:00
parent a1c119a9bb
commit 6a78f64feb
9 changed files with 233 additions and 67 deletions
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1
sprout/optional.hpp
View file

@ -9,5 +9,6 @@
#include <sprout/optional/make_optional.hpp> #include <sprout/optional/make_optional.hpp>
#include <sprout/optional/get.hpp> #include <sprout/optional/get.hpp>
#include <sprout/optional/hash.hpp> #include <sprout/optional/hash.hpp>
#include <sprout/optional/exceptions.hpp>
#endif // #ifndef SPROUT_OPTIONAL_HPP #endif // #ifndef SPROUT_OPTIONAL_HPP

25
sprout/optional/exceptions.hpp Normal file
View file

@ -0,0 +1,25 @@
#ifndef SPROUT_OPTIONAL_EXCEPTIONS_HPP
#define SPROUT_OPTIONAL_EXCEPTIONS_HPP
#include <string>
#include <stdexcept>
#include <sprout/config.hpp>
namespace sprout {
//
// bad_optional_access
//
class bad_optional_access
: public std::logic_error
{
public:
explicit bad_optional_access(std::string const& what_arg)
: std::logic_error(what_arg)
{}
explicit bad_optional_access(char const* what_arg)
: std::logic_error(what_arg)
{}
};
} // namespace sprout
#endif // SPROUT_OPTIONAL_EXCEPTIONS_HPP

44
sprout/optional/optional.hpp
View file

@ -6,6 +6,7 @@
#include <sprout/utility/swap.hpp> #include <sprout/utility/swap.hpp>
#include <sprout/none.hpp> #include <sprout/none.hpp>
#include <sprout/optional/nullopt.hpp> #include <sprout/optional/nullopt.hpp>
#include <sprout/optional/exceptions.hpp>
#include <sprout/assert.hpp> #include <sprout/assert.hpp>
namespace sprout { namespace sprout {
@ -53,12 +54,12 @@ namespace sprout {
{} {}
SPROUT_CONSTEXPR optional(optional const& v) SPROUT_CONSTEXPR optional(optional const& v)
: init(v.init) : init(v.init)
, val(v.val) , val(v.is_initialized() ? holder_type(*v) : holder_type())
{} {}
template<typename U> template<typename U>
explicit SPROUT_CONSTEXPR optional(optional<U> const& v) explicit SPROUT_CONSTEXPR optional(optional<U> const& v)
: init(v.is_initialized()) : init(v.is_initialized())
, val(v.is_initialized() ? v.get() : holder_type()) , val(v.is_initialized() ? holder_type(*v) : holder_type())
{} {}
optional& operator=(sprout::nullopt_t v) SPROUT_NOEXCEPT { optional& operator=(sprout::nullopt_t v) SPROUT_NOEXCEPT {
@ -114,21 +115,25 @@ namespace sprout {
} }
SPROUT_CONSTEXPR reference_const_type operator*() const { SPROUT_CONSTEXPR reference_const_type operator*() const {
return get();
}
reference_type operator*() {
return get();
}
SPROUT_CONSTEXPR reference_const_type get() const {
return (SPROUT_ASSERT(is_initialized()), true) ? val.get() return (SPROUT_ASSERT(is_initialized()), true) ? val.get()
: val.get() : val.get()
; ;
} }
reference_type get() { reference_type operator*() {
return (SPROUT_ASSERT(is_initialized()), true) ? val.get() return (SPROUT_ASSERT(is_initialized()), true) ? val.get()
: val.get() : val.get()
; ;
} }
SPROUT_CONSTEXPR reference_const_type get() const {
return is_initialized() ? val.get()
: (throw sprout::bad_optional_access("optional<>: bad optional access"), val.get())
;
}
reference_type get() {
return is_initialized() ? val.get()
: (throw sprout::bad_optional_access("optional<>: bad optional access"), val.get())
;
}
SPROUT_CONSTEXPR reference_const_type get_value_or(reference_const_type& v) const { SPROUT_CONSTEXPR reference_const_type get_value_or(reference_const_type& v) const {
return is_initialized() ? val.get() return is_initialized() ? val.get()
: v : v
@ -140,6 +145,19 @@ namespace sprout {
; ;
} }
SPROUT_CONSTEXPR reference_const_type value() const {
return get();
}
reference_type value() {
return get();
}
SPROUT_CONSTEXPR reference_const_type value_or(reference_const_type& v) const {
return get_value_or(v);
}
reference_type value_or(reference_type& v) {
return get_value_or(v);
}
SPROUT_CONSTEXPR pointer_const_type operator->() const { SPROUT_CONSTEXPR pointer_const_type operator->() const {
return SPROUT_ASSERT(is_initialized()), return SPROUT_ASSERT(is_initialized()),
val.get_pointer() val.get_pointer()
@ -151,13 +169,13 @@ namespace sprout {
; ;
} }
SPROUT_CONSTEXPR pointer_const_type get_pointer() const { SPROUT_CONSTEXPR pointer_const_type get_pointer() const {
return SPROUT_ASSERT(is_initialized()), return is_initialized() ? val.get_pointer()
val.get_pointer() : 0
; ;
} }
pointer_type get_pointer() { pointer_type get_pointer() {
return SPROUT_ASSERT(is_initialized()), return is_initialized() ? val.get_pointer()
val.get_pointer() : 0
; ;
} }
SPROUT_CONSTEXPR pointer_const_type get_ptr() const { SPROUT_CONSTEXPR pointer_const_type get_ptr() const {

6
sprout/tuple/tuple/flexibly_construct.hpp → sprout/tuple/flexibly_construct.hpp
View file

@ -1,5 +1,5 @@
#ifndef SPROUT_TUPLE_TUPLE_FREXIBLY_CONSTRUCT_HPP #ifndef SPROUT_TUPLE_FREXIBLY_CONSTRUCT_HPP
#define SPROUT_TUPLE_TUPLE_FREXIBLY_CONSTRUCT_HPP #define SPROUT_TUPLE_FREXIBLY_CONSTRUCT_HPP
#include <sprout/config.hpp> #include <sprout/config.hpp>
@ -17,4 +17,4 @@ namespace sprout {
using sprout::tuples::flexibly_construct; using sprout::tuples::flexibly_construct;
} // namespace sprout } // namespace sprout
#endif // #ifndef SPROUT_TUPLE_TUPLE_FREXIBLY_CONSTRUCT_HPP #endif // #ifndef SPROUT_TUPLE_FREXIBLY_CONSTRUCT_HPP

2
sprout/tuple/tuple.hpp
View file

@ -11,6 +11,6 @@
#include <sprout/tuple/tuple/ignore.hpp> #include <sprout/tuple/tuple/ignore.hpp>
#include <sprout/tuple/tuple/make_tuple.hpp> #include <sprout/tuple/tuple/make_tuple.hpp>
#include <sprout/tuple/tuple/type_traits.hpp> #include <sprout/tuple/tuple/type_traits.hpp>
#include <sprout/tuple/tuple/flexibly_construct.hpp> #include <sprout/tuple/flexibly_construct.hpp>
#endif // #ifndef SPROUT_TUPLE_TUPLE_HPP #endif // #ifndef SPROUT_TUPLE_TUPLE_HPP

3
sprout/tuple/tuple/tuple.hpp
View file

@ -11,7 +11,7 @@
#include <sprout/type_traits/is_convert_constructible.hpp> #include <sprout/type_traits/is_convert_constructible.hpp>
#include <sprout/tpp/algorithm/all_of.hpp> #include <sprout/tpp/algorithm/all_of.hpp>
#include <sprout/tuple/tuple/tuple_decl.hpp> #include <sprout/tuple/tuple/tuple_decl.hpp>
#include <sprout/tuple/tuple/flexibly_construct.hpp> #include <sprout/tuple/flexibly_construct.hpp>
namespace sprout { namespace sprout {
namespace tuples { namespace tuples {
@ -71,6 +71,7 @@ namespace sprout {
inline SPROUT_CONSTEXPR sprout::tuples::tuple<Types...>::tuple(sprout::pair<UTypes...>&& t) inline SPROUT_CONSTEXPR sprout::tuples::tuple<Types...>::tuple(sprout::pair<UTypes...>&& t)
: impl_type(sprout::forward<typename sprout::pair<UTypes...>::first_type>(t.first), sprout::forward<typename sprout::pair<UTypes...>::second_type>(t.second)) : impl_type(sprout::forward<typename sprout::pair<UTypes...>::first_type>(t.first), sprout::forward<typename sprout::pair<UTypes...>::second_type>(t.second))
{} {}
template<typename... Types> template<typename... Types>
template< template<
typename... UTypes, typename... UTypes,

29
sprout/tuple/tuple/tuple_decl.hpp
View file

@ -15,7 +15,7 @@
#include <sprout/type_traits/is_convert_constructible.hpp> #include <sprout/type_traits/is_convert_constructible.hpp>
#include <sprout/tpp/algorithm/all_of.hpp> #include <sprout/tpp/algorithm/all_of.hpp>
#include <sprout/tuple/tuple/tuple_fwd.hpp> #include <sprout/tuple/tuple/tuple_fwd.hpp>
#include <sprout/tuple/tuple/flexibly_construct.hpp> #include <sprout/tuple/flexibly_construct.hpp>
namespace sprout { namespace sprout {
namespace tuples { namespace tuples {
@ -245,9 +245,9 @@ namespace sprout {
typedef sprout::tuples::detail::tuple_impl<0, Types...> impl_type; typedef sprout::tuples::detail::tuple_impl<0, Types...> impl_type;
private: private:
template<typename TndexTuple, typename... Utypes> template<typename TndexTuple, typename... Utypes>
struct is_flexibly_constructible_impl; struct is_flexibly_convert_constructible_impl;
template<sprout::index_t... Indexes, typename... Utypes> template<sprout::index_t... Indexes, typename... Utypes>
struct is_flexibly_constructible_impl<sprout::index_tuple<Indexes...>, Utypes...> struct is_flexibly_convert_constructible_impl<sprout::index_tuple<Indexes...>, Utypes...>
: public sprout::tpp::all_of< : public sprout::tpp::all_of<
sprout::is_convert_constructible< sprout::is_convert_constructible<
typename sprout::tppack_at<Indexes, Types...>::type, typename sprout::tppack_at<Indexes, Types...>::type,
@ -262,19 +262,19 @@ namespace sprout {
> >
{}; {};
template<typename... UTypes> template<typename... UTypes>
struct is_flexibly_constructible struct is_flexibly_convert_constructible
: public is_flexibly_constructible_impl< : public is_flexibly_convert_constructible_impl<
typename sprout::index_range<0, (sizeof...(UTypes) < sizeof...(Types) ? sizeof...(UTypes) : sizeof...(Types))>::type, typename sprout::index_range<0, (sizeof...(UTypes) < sizeof...(Types) ? sizeof...(UTypes) : sizeof...(Types))>::type,
UTypes... UTypes...
> >
{}; {};
template<typename... UTypes> template<typename... UTypes>
struct is_rvref_flexibly_constructible struct is_rvref_flexibly_convert_constructible
: public is_flexibly_constructible<UTypes&&...> : public is_flexibly_convert_constructible<UTypes&&...>
{}; {};
template<typename... UTypes> template<typename... UTypes>
struct is_clvref_flexibly_constructible struct is_clvref_flexibly_convert_constructible
: public is_flexibly_constructible<UTypes const&...> : public is_flexibly_convert_constructible<UTypes const&...>
{}; {};
public: public:
// tuple construction // tuple construction
@ -317,38 +317,39 @@ namespace sprout {
>::type >::type
> >
SPROUT_CONSTEXPR tuple(sprout::pair<UTypes...>&& t); SPROUT_CONSTEXPR tuple(sprout::pair<UTypes...>&& t);
template< template<
typename... UTypes, typename... UTypes,
typename = typename std::enable_if< typename = typename std::enable_if<
is_rvref_flexibly_constructible<UTypes...>::value is_rvref_flexibly_convert_constructible<UTypes...>::value
>::type >::type
> >
explicit SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, UTypes&&... elements); explicit SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, UTypes&&... elements);
template< template<
typename... UTypes, typename... UTypes,
typename = typename std::enable_if< typename = typename std::enable_if<
is_clvref_flexibly_constructible<UTypes...>::value is_clvref_flexibly_convert_constructible<UTypes...>::value
>::type >::type
> >
SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::tuples::tuple<UTypes...> const& t); SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::tuples::tuple<UTypes...> const& t);
template< template<
typename... UTypes, typename... UTypes,
typename = typename std::enable_if< typename = typename std::enable_if<
is_rvref_flexibly_constructible<UTypes...>::value is_rvref_flexibly_convert_constructible<UTypes...>::value
>::type >::type
> >
SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::tuples::tuple<UTypes...>&& t); SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::tuples::tuple<UTypes...>&& t);
template< template<
typename... UTypes, typename... UTypes,
typename = typename std::enable_if< typename = typename std::enable_if<
is_clvref_flexibly_constructible<UTypes...>::value is_clvref_flexibly_convert_constructible<UTypes...>::value
>::type >::type
> >
SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::pair<UTypes...> const& t); SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::pair<UTypes...> const& t);
template< template<
typename... UTypes, typename... UTypes,
typename = typename std::enable_if< typename = typename std::enable_if<
is_rvref_flexibly_constructible<UTypes...>::value is_rvref_flexibly_convert_constructible<UTypes...>::value
>::type >::type
> >
SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::pair<UTypes...>&& t); SPROUT_CONSTEXPR tuple(sprout::tuples::flexibly_construct_t, sprout::pair<UTypes...>&& t);

104
sprout/utility/pair/pair.hpp
View file

@ -1,11 +1,11 @@
#ifndef SPROUT_UTILITY_PAIR_PAIR_HPP #ifndef SPROUT_UTILITY_PAIR_PAIR_HPP
#define SPROUT_UTILITY_PAIR_PAIR_HPP #define SPROUT_UTILITY_PAIR_PAIR_HPP
#include <utility>
#include <type_traits> #include <type_traits>
#include <sprout/config.hpp> #include <sprout/config.hpp>
#include <sprout/index_tuple.hpp> #include <sprout/index_tuple.hpp>
#include <sprout/utility/forward.hpp> #include <sprout/utility/forward.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/utility/swap.hpp> #include <sprout/utility/swap.hpp>
#include <sprout/utility/pair/pair_decl.hpp> #include <sprout/utility/pair/pair_decl.hpp>
#include <sprout/tuple/tuple/tuple.hpp> #include <sprout/tuple/tuple/tuple.hpp>
@ -41,29 +41,41 @@ namespace sprout {
, second(y) , second(y)
{} {}
template <typename T1, typename T2> template <typename T1, typename T2>
template<typename U, typename V> template<
typename U, typename V,
typename
>
inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(U&& x, V&& y) inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(U&& x, V&& y)
: first(sprout::forward<U>(x)) : first(sprout::forward<U>(x))
, second(sprout::forward<V>(y)) , second(sprout::forward<V>(y))
{} {}
template <typename T1, typename T2> template <typename T1, typename T2>
template<typename U, typename V> template<
typename U, typename V,
typename
>
inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::pair<U, V> const& other) inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::pair<U, V> const& other)
: first(other.first) : first(other.first)
, second(other.second) , second(other.second)
{} {}
template <typename T1, typename T2> template <typename T1, typename T2>
template<typename U, typename V> template<
typename U, typename V,
typename
>
inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::pair<U, V>&& other) inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::pair<U, V>&& other)
: first(sprout::move(other.first)) : first(sprout::forward<U>(other.first))
, second(sprout::move(other.second)) , second(sprout::forward<V>(other.second))
{} {}
#if SPROUT_USE_DELEGATING_CONSTRUCTORS #if SPROUT_USE_DELEGATING_CONSTRUCTORS
template <typename T1, typename T2> template <typename T1, typename T2>
template <typename... Args1, typename... Args2> template<
typename... Args1, typename... Args2,
typename
>
inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair( inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(
sprout::tuples::tuple<Args1...> first_args, std::piecewise_construct_t,
sprout::tuples::tuple<Args2...> second_args sprout::tuples::tuple<Args1...> first_args, sprout::tuples::tuple<Args2...> second_args
) )
: pair( : pair(
first_args, first_args,
@ -74,29 +86,75 @@ namespace sprout {
{} {}
#endif // #if SPROUT_USE_DELEGATING_CONSTRUCTORS #endif // #if SPROUT_USE_DELEGATING_CONSTRUCTORS
template <typename T1, typename T2> template <typename T1, typename T2>
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(pair const& other) = default; template<
typename U, typename V,
typename
>
inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::tuples::tuple<U, V> const& other)
: first(sprout::tuples::get<0>(other))
, second(sprout::tuples::get<1>(other))
{}
template <typename T1, typename T2> template <typename T1, typename T2>
template<typename U, typename V> template<
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::pair<U, V> const& other) { typename U, typename V,
first = other.first; typename
second = other.second; >
return *this; inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::tuples::tuple<U, V>&& other)
} : first(sprout::forward<U>(sprout::tuples::get<0>(other)))
, second(sprout::forward<V>(sprout::tuples::get<1>(other)))
{}
template <typename T1, typename T2> template <typename T1, typename T2>
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(pair&& other) inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(pair const& rhs) = default;
template <typename T1, typename T2>
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(pair&& rhs)
SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<T1>::value && std::is_nothrow_move_assignable<T2>::value) SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<T1>::value && std::is_nothrow_move_assignable<T2>::value)
{ {
first = sprout::move(other.first); first = sprout::forward<T1>(rhs.first);
second = sprout::move(other.second); second = sprout::forward<T2>(rhs.second);
return *this; return *this;
} }
template <typename T1, typename T2> template <typename T1, typename T2>
template<typename U, typename V> template<
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::pair<U, V>&& other) { typename U, typename V,
first = sprout::move(other.first); typename
second = sprout::move(other.second); >
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::pair<U, V> const& rhs) {
first = rhs.first;
second = rhs.second;
return *this; return *this;
} }
template <typename T1, typename T2>
template<
typename U, typename V,
typename
>
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::pair<U, V>&& rhs) {
first = sprout::forward<U>(rhs.first);
second = sprout::forward<V>(rhs.second);
return *this;
}
template <typename T1, typename T2>
template<
typename U, typename V,
typename
>
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::tuples::tuple<U, V> const& rhs) {
first = sprout::tuples::get<0>(rhs);
second = sprout::tuples::get<0>(rhs);
return *this;
}
template <typename T1, typename T2>
template<
typename U, typename V,
typename
>
inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::tuples::tuple<U, V>&& rhs) {
first = sprout::forward<U>(sprout::tuples::get<0>(rhs));
second = sprout::forward<V>(sprout::tuples::get<1>(rhs));
return *this;
}
template <typename T1, typename T2> template <typename T1, typename T2>
inline void sprout::pair<T1, T2>::swap(pair& other) inline void sprout::pair<T1, T2>::swap(pair& other)
SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::swap(first, other.first)) && SPROUT_NOEXCEPT_EXPR(sprout::swap(second, other.second))) { SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::swap(first, other.first)) && SPROUT_NOEXCEPT_EXPR(sprout::swap(second, other.second))) {

86
sprout/utility/pair/pair_decl.hpp
View file

@ -1,6 +1,7 @@
#ifndef SPROUT_UTILITY_PAIR_PAIR_DECL_HPP #ifndef SPROUT_UTILITY_PAIR_PAIR_DECL_HPP
#define SPROUT_UTILITY_PAIR_PAIR_DECL_HPP #define SPROUT_UTILITY_PAIR_PAIR_DECL_HPP
#include <utility>
#include <type_traits> #include <type_traits>
#include <sprout/config.hpp> #include <sprout/config.hpp>
#include <sprout/index_tuple.hpp> #include <sprout/index_tuple.hpp>
@ -34,24 +35,85 @@ namespace sprout {
SPROUT_CONSTEXPR pair(pair&&); SPROUT_CONSTEXPR pair(pair&&);
SPROUT_CONSTEXPR pair(); SPROUT_CONSTEXPR pair();
SPROUT_CONSTEXPR pair(T1 const& x, T2 const& y); SPROUT_CONSTEXPR pair(T1 const& x, T2 const& y);
template<typename U, typename V> template<
typename U, typename V,
typename = typename std::enable_if<
std::is_constructible<first_type, U&&>::value && std::is_constructible<second_type, V&&>::value
>::type
>
SPROUT_CONSTEXPR pair(U&& x, V&& y); SPROUT_CONSTEXPR pair(U&& x, V&& y);
template<typename U, typename V> template<
typename U, typename V,
typename = typename std::enable_if<
std::is_constructible<first_type, U const&>::value && std::is_constructible<second_type, V const&>::value
>::type
>
SPROUT_CONSTEXPR pair(sprout::pair<U, V> const& other); SPROUT_CONSTEXPR pair(sprout::pair<U, V> const& other);
template<typename U, typename V> template<
typename U, typename V,
typename = typename std::enable_if<
std::is_constructible<first_type, U&&>::value && std::is_constructible<second_type, V&&>::value
>::type
>
SPROUT_CONSTEXPR pair(sprout::pair<U, V>&& other); SPROUT_CONSTEXPR pair(sprout::pair<U, V>&& other);
template <typename... Args1, typename... Args2> template<
typename... Args1, typename... Args2,
typename = typename std::enable_if<
std::is_constructible<first_type, Args1&&...>::value && std::is_constructible<second_type, Args2&&...>::value
>::type
>
SPROUT_CONSTEXPR pair( SPROUT_CONSTEXPR pair(
sprout::tuples::tuple<Args1...> first_args, std::piecewise_construct_t,
sprout::tuples::tuple<Args2...> second_args sprout::tuples::tuple<Args1...> first_args, sprout::tuples::tuple<Args2...> second_args
); );
pair& operator=(pair const& other);
template<typename U, typename V> template<
pair& operator=(sprout::pair<U, V> const& other); typename U, typename V,
pair& operator=(pair&& other) typename = typename std::enable_if<
std::is_constructible<first_type, U const&>::value && std::is_constructible<second_type, V const&>::value
>::type
>
SPROUT_CONSTEXPR pair(sprout::tuples::tuple<U, V> const& other);
template<
typename U, typename V,
typename = typename std::enable_if<
std::is_constructible<first_type, U&&>::value && std::is_constructible<second_type, V&&>::value
>::type
>
SPROUT_CONSTEXPR pair(sprout::tuples::tuple<U, V>&& other);
pair& operator=(pair const& rhs);
pair& operator=(pair&& rhs)
SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<T1>::value && std::is_nothrow_move_assignable<T2>::value); SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<T1>::value && std::is_nothrow_move_assignable<T2>::value);
template<typename U, typename V> template<
pair& operator=(sprout::pair<U, V>&& other); typename U, typename V,
typename = typename std::enable_if<
std::is_assignable<first_type&, U const&>::value && std::is_assignable<second_type&, V const&>::value
>::type
>
pair& operator=(sprout::pair<U, V> const& rhs);
template<
typename U, typename V,
typename = typename std::enable_if<
std::is_assignable<first_type&, U&&>::value && std::is_assignable<second_type&, V&&>::value
>::type
>
pair& operator=(sprout::pair<U, V>&& rhs);
template<
typename U, typename V,
typename = typename std::enable_if<
std::is_assignable<first_type&, U const&>::value && std::is_assignable<second_type&, V const&>::value
>::type
>
pair& operator=(sprout::tuples::tuple<U, V> const& rhs);
template<
typename U, typename V,
typename = typename std::enable_if<
std::is_assignable<first_type&, U&&>::value && std::is_assignable<second_type&, V&&>::value
>::type
>
pair& operator=(sprout::tuples::tuple<U, V>&& rhs);
void swap(pair& other) void swap(pair& other)
SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::swap(first, other.first)) && SPROUT_NOEXCEPT_EXPR(sprout::swap(second, other.second))); SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::swap(first, other.first)) && SPROUT_NOEXCEPT_EXPR(sprout::swap(second, other.second)));
}; };