std::mem_fun_t, std::mem_fun1_t, std::const_mem_fun_t, std::const_mem_fun1_t

template< class S, class T > class mem_fun_t : public unary_function<T,S> { public: explicit mem_fun_t(S (T::p)()); S operator()(T* p) const; };	(1)	(deprecated)
template< class S, class T > class const_mem_fun_t : public unary_function<const T,S> { public: explicit const_mem_fun_t(S (T::p)() const); S operator()(const T* p) const; };	(2)	(deprecated)
template< class S, class T, class Arg > class mem_fun1_t : public binary_function<T,A,S> { public: explicit mem_fun1_t(S (T::p)(A)); S operator()(T* p, A x) const; };	(2)	(deprecated)
template< class S, class T, class A > class const_mem_fun1_t : public binary_function<const T,A,S> { public: explicit const_mem_fun1_t(S (T::p)(A) const); S operator()(const T* p, A x) const; };	(4)	(deprecated)

Wrapper around a member function pointer. The class instance whose member function to call is passed as a pointer to the operator().

1) Wraps a non-const member function with no parameters.

2) Wraps a const member function with no parameters.

3) Wraps a non-const member function with a single parameter.

4) Wraps a const member function with a single parameter.

mem_fun (deprecated)	creates a wrapper from a pointer to member function, callable with a pointer to object (function template)
mem_fun_ref_tmem_fun1_ref_tconst_mem_fun_ref_tconst_mem_fun1_ref_t (deprecated)(deprecated)(deprecated)(deprecated)	wapper for a pointer to nullary or unary member function, callable with a reference to object (class template)

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