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std::swap(std::function)

STD：：交换%28 std：：函数%29

template< class R, class... Args > void swap( function &lhs, function &rhs ​​

重载std::swap算法std::function.交换lhs与...rhs.有效地打电话lhs.swap(rhs)...

参数

lhs, rhs-polymorphic function wrappers whose states to swap

返回值

%280%29

例外

(none)(until C++17)
noexcept specification: noexcept(since C++17)

例

另见

swapswaps the contents (public member function)

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