std::swap(std::function)
template< class R, class... Args > void swap( function<R(Args...)> &lhs, function<R(Args...)> &rhs ); | | |
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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 |
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返回值
%280%29
例外
(none) | (until C++17) |
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noexcept specification: noexcept | (since C++17) |
例
另见
swap | swaps the contents (public member function) |
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