libstdc++
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Classes | |
class | std::const_mem_fun1_ref_t< _Ret, _Tp, _Arg > |
One of the adaptors for member pointers. More... | |
class | std::const_mem_fun1_t< _Ret, _Tp, _Arg > |
One of the adaptors for member pointers. More... | |
class | std::const_mem_fun_ref_t< _Ret, _Tp > |
One of the adaptors for member pointers. More... | |
class | std::const_mem_fun_t< _Ret, _Tp > |
One of the adaptors for member pointers. More... | |
class | std::mem_fun1_ref_t< _Ret, _Tp, _Arg > |
One of the adaptors for member pointers. More... | |
class | std::mem_fun1_t< _Ret, _Tp, _Arg > |
One of the adaptors for member pointers. More... | |
class | std::mem_fun_ref_t< _Ret, _Tp > |
One of the adaptors for member pointers. More... | |
class | std::mem_fun_t< _Ret, _Tp > |
One of the adaptors for member pointers. More... |
There are a total of 8 = 2^3 function objects in this family. (1) Member functions taking no arguments vs member functions taking one argument. (2) Call through pointer vs call through reference. (3) Const vs non-const member function.
All of this complexity is in the function objects themselves. You can ignore it by using the helper function mem_fun and mem_fun_ref, which create whichever type of adaptor is appropriate.