Error No Matching Function For Call To Mem_fun
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Us Learn more about Stack Overflow the company Business Learn more about hiring error no matching function for call to 'strlen' developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the error no matching function for call to 'strtok' Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why is there “no matching
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function” for my call to mem_fun_ref? up vote 3 down vote favorite I have some code where classes inherit from a base class. That base class has a function which, when run, ought to call functions to be implemented by the children. That is, the general algorithm is the same for all children, but the implementation of the steps should vary. template class Foo {
Error No Matching Function For Call To ‘find
public: Foo(T y):y(y) { for(int i; i < 10; ++i) x.push_back(i); }; protected: virtual bool IsOk(T, int)=0; void Run() { vector::iterator it, bound; for(int i; i < 10; ++i) { cout << "step " << i << endl; bound = partition(x.begin(), x.end(), bind2nd(mem_fun_ref(&Foo::IsOk), i)); for (it=x.begin(); it!=bound; ++it) cout << " " << *it; }; }; private: vectorx; T y; }; class Bar : public Foo { public: Bar():Foo(50){this->Run();}; bool IsOk(int x , int y) {return x == y;} }; However, when I do so, I get the following error message : no matching function for call to 'mem_fun_ref(bool (Foo::*)(int, int))' Could anyone provide me with some insight as to what I am doing wong? c++ inheritance binding virtual-functions overriding share|improve this question edited May 26 '11 at 12:51 Rob Kennedy 130k13191355 asked May 26 '11 at 12:28 foo 754 where is the defition of 'mem_fun_ref(bool (Foo::*)(int, int)) can you show us that? –Alok Save May 26 '11 at 12:35 @Als: mem_fun_ref is a standard library function. –Björn Pollex May 26 '11 at 12:37 @Space: Yes, just checked! My bad. –Alok Save May 26 '11 at 12:37 Wh
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the workings and policies of this site About Us Learn more about Stack Overflow error no matching function for call to 'forward' the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x http://stackoverflow.com/questions/6138461/why-is-there-no-matching-function-for-my-call-to-mem-fun-ref Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up functional, bind1st and mem_fun up vote 4 down vote favorite 1 Why won't this compile? #include #include http://stackoverflow.com/questions/2917168/functional-bind1st-and-mem-fun class A { A() { typedef boost::function FunctionCall; FunctionCall f = std::bind1st(std::mem_fun(&A::process), this); } void process() {} }; Errors: In file included from /opt/local/include/gcc44/c++/bits/stl_function.h:712, from /opt/local/include/gcc44/c++/functional:50, from a.cc:1: /opt/local/include/gcc44/c++/backward/binders.h: In instantiation of 'std::binder1st >': a.cc:7: instantiated from here /opt/local/include/gcc44/c++/backward/binders.h:100: error: no type named 'second_argument_type' in 'class std::mem_fun_t' /opt/local/include/gcc44/c++/backward/binders.h:103: error: no type named 'first_argument_type' in 'class std::mem_fun_t' /opt/local/include/gcc44/c++/backward/binders.h:106: error: no type named 'first_argument_type' in 'class std::mem_fun_t' /opt/local/include/gcc44/c++/backward/binders.h:111: error: no type named 'second_argument_type' in 'class std::mem_fun_t' /opt/local/include/gcc44/c++/backward/binders.h:117: error: no type named 'second_argument_type' in 'class std::mem_fun_t' /opt/local/include/gcc44/c++/backward/binders.h: In function 'std::binder1st<_Operation> std::bind1st(const _Operation&, const _Tp&) [with _Operation = std::mem_fun_t, _Tp = A*]': a.cc:7: instantiated from here /opt/local/include/gcc44/c++/backward/binders.h:126: error: no type named 'first_argument_type' in 'class std::mem_fun_t' In file included from /opt/local/include/boost/function/detail/maybe_include.hpp:13, from /opt/local/include/boost/function/detail/function_iterate.hpp:14, from /opt/local/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:47, from /opt/local/include/boost/function.hpp:64, from a.cc:2: /opt/local/include/boost/function/function_template.hpp: In static member function 'static void boost::detail::function::void_function_obj_invoker0::invoke(boost
using Ubuntu and wanted to do GUI, so I went for GTKmm. My whole project is now about 6 different header files, from file operations to drawing in Cairo. I am getting into situations where I error no have to put information both ways from classes to others. Biggest problem (where I am stuck now) is the signals from buttons to do something in another class: m_buttonrefresh.signal_clicked().connect( sigc::mem_fun(*this, &Window::on_clicked) ); If Window is not the class error no matching in who's constructor this is in, it does not work. For better idea what I am talking about, I made this example: apu.h 1
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#ifndef INDEKSI #define INDEKSI #include class Indeksi { public: Indeksi(); virtual ~Indeksi(); void on_button_clicked(); }; #endif //INDEKSI apu.cc 1
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#include "apu.h" #include Indeksi::Indeksi() { } Indeksi::~Indeksi() { } void Indeksi::on_button_clicked() { std::cout << "teksti"; } helloworld.h 1
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#ifndef GTKMM_EXAMPLE_HELLOWORLD_H #define GTKMM_EXAMPLE_HELLOWORLD_H #include "apu.h" #include #include class HelloWorld : public Gtk::Window { public: HelloWorld(); virtual ~HelloWorld(); protected: void on_button_clicked(); Gtk::Button m_button; }; #endif // GTKMM_EXAMPLE_HELLOWORLD_H helloworld.cc 1
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#include "helloworld.h" #include HelloWorld::HelloWorld() : m_button("Hello World") { set_border_width(10); m_button.signal_clicked().connect(sigc::mem_fun(*this, &Indeksi::on_button_clicked)); add(m_button); m_button.show();