std::reference_wrapper<T>::operator=
< cpp | utility | functional | reference wrapper
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reference_wrapper& operator=( const reference_wrapper& other ) noexcept;
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(C++11 起) (C++20 前) |
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constexpr reference_wrapper& operator=( const reference_wrapper& other ) noexcept;
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(C++20 起) | |
复制赋值运算符。丢弃当前引用，并存储到 other.get() 的引用。
参数
| other | - | 要复制的 reference_wrapper |
返回值
*this