/g++-v4/functional: In member function ‘void std::_Bind_result<_Result, _Functor(_Bound_args ...)>::__call(std::tuple<_Args ...>&&, std::_Index_tuple<_Indexes ...>, typename std::_Bind_result<_Result:1378:24
int i = ([](const Mountain& c) { return 1; })(everest);
int j = (std::bind([](const Mountain& c) {return/lib/gcc/x86_64-linux-gnu/10/../../../../lib/gcc/x86_64-linux-gnu/10/../../