std::mem_fun_ref_t
template< class S, class T > class mem_fun_ref_t : public unary_function<T,S> { public: explicit mem_fun_ref_t(S (T::*p)()); S operator()(T& p) const; }; | (1) | (until C++17)(deprecated since C++11) |
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template< class S, class T > class const_mem_fun_ref_t : public unary_function<T,S> { public: explicit const_mem_fun_ref_t(S (T::*p)() const); S operator()(const T& p) const; }; | (2) | (until C++17)(deprecated since C++11) |
template< class S, class T, class A > class mem_fun1_ref_t : public binary_function<T,A,S> { public: explicit mem_fun1_ref_t(S (T::*p)(A)); S operator()(T& p, A x) const; }; | (3) | (until C++17)(deprecated since C++11) |
template< class S, class T, class A > class const_mem_fun1_ref_t : public binary_function<T,A,S> { public: explicit const_mem_fun1_ref_t(S (T::*p)(A) const); S operator()(const T& p, A x) const; }; | (4) | (until C++17)(deprecated since C++11) |
成员函数指针的包装器。要调用的成员函数作为对operator()...
1%29封装一个不含参数的非Const成员函数.
2%29封装不带参数的Const成员函数。
3%29用一个参数包装一个非Const成员函数。
4%29用一个参数包装一个Const成员函数。
另见
mem_fun_ref (until C++17) | creates a wrapper from a pointer to member function, callable with a reference to object (function template) |
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mem_fun_tmem_fun1_tconst_mem_fun_tconst_mem_fun1_t (until C++17)(until C++17)(until C++17)(until C++17) | wrapper for a pointer to nullary or unary member function, callable with a pointer to object (class template) |
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