phmap::swap_internal 命名空间参考

类
struct	IsNothrowSwappable
struct	IsSwappable

类型定义
template<class T >
using	IsSwappableImpl = decltype(swap(std::declval<T&>(), std::declval<T&>()))
template<class T , class IsNoexcept = std::integral_constant< bool, noexcept(swap(std::declval<T&>(), std::declval<T&>()))>>
using	IsNothrowSwappableImpl = typename std::enable_if<IsNoexcept::value>::type
using	StdSwapIsUnconstrained = IsSwappable<void()>

函数
void	swap ()
template<class T , phmap::enable_if_t< IsSwappable< T >::value, int > = 0>
void	Swap (T &lhs, T &rhs) noexcept(IsNothrowSwappable< T >::value)

类型定义说明

IsNothrowSwappableImpl

template<class T , class IsNoexcept = std::integral_constant< bool, noexcept(swap(std::declval<T&>(), std::declval<T&>()))>>

using phmap::swap_internal::IsNothrowSwappableImpl = typename std::enable_if<IsNoexcept::value>::type

IsSwappableImpl

template<class T >

using phmap::swap_internal::IsSwappableImpl = decltype(swap(std::declval<T&>(), std::declval<T&>()))

StdSwapIsUnconstrained

using phmap::swap_internal::StdSwapIsUnconstrained = IsSwappable<void()>

函数说明

swap()

void phmap::swap_internal::swap

(

)

Swap()

template<class T , phmap::enable_if_t< IsSwappable< T >::value, int > = 0>

void phmap::swap_internal::Swap ( T & lhs, T & rhs )

noexcept