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// Copyright (C) 2005 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 2, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// 20.3.6 Binders

// { dg-do compile }

#include <functional>

using namespace std;

struct s

{

  void f_void_int_const(int) const {}

  void f_void_int(int) {}

  int f_int_int_const(int) const { return 1; }

  int f_int_int(int) {return 1; }

  void f_void_void_const() const {}

  void f_void_void() {}

  int f_int_void_const() const { return 1; }

  int f_int_void() { return 1; }

};

void test01(s& a)

{

  mem_fun_t<void, s> p1(&s::f_void_void);

  mem_fun_t<int, s> p2(&s::f_int_void);

  p1(&a);

  p2(&a);

  mem_fun1_t<void, s, int> q1(&s::f_void_int);

  mem_fun1_t<int, s, int> q2(&s::f_int_int);

  q1(&a,0);

  q2(&a,0);

  (mem_fun(&s::f_void_void))(&a);

  (mem_fun(&s::f_void_int))(&a,0);

  (mem_fun(&s::f_int_void))(&a);

  (mem_fun(&s::f_int_int))(&a,0);

  mem_fun_ref_t<void, s> ref1(&s::f_void_void);

  mem_fun_ref_t<int, s> ref2(&s::f_int_void);

  ref1(a);

  ref2(a);

  mem_fun1_ref_t<void, s, int> ref3(&s::f_void_int);

  mem_fun1_ref_t<int, s, int> ref4(&s::f_int_int);

  ref3(a,0);

  ref4(a,0);

  (mem_fun_ref(&s::f_void_void))(a);

  (mem_fun_ref(&s::f_void_int))(a, 0);

  (mem_fun_ref(&s::f_int_void))(a);

  (mem_fun_ref(&s::f_int_int))(a, 0);

}

void test02(const s& a)

{

  const_mem_fun_t<void, s> p1(&s::f_void_void_const);

  const_mem_fun_t<int, s> p2(&s::f_int_void_const);

  p1(&a);

  p2(&a);

  const_mem_fun1_t<void, s, int> q1(&s::f_void_int_const);

  const_mem_fun1_t<int, s, int> q2(&s::f_int_int_const);

  q1(&a,0);

  q2(&a,0);

  (mem_fun(&s::f_void_void_const))(&a);

  (mem_fun(&s::f_void_int_const))(&a, 0);

  (mem_fun(&s::f_int_void_const))(&a);

  (mem_fun(&s::f_int_int_const))(&a, 0);

  const_mem_fun_ref_t<void, s> ref1(&s::f_void_void_const);

  const_mem_fun_ref_t<int, s> ref2(&s::f_int_void_const);

  ref1(a);

  ref2(a);

  const_mem_fun1_ref_t<void, s, int> ref3(&s::f_void_int_const);

  const_mem_fun1_ref_t<int, s, int> ref4(&s::f_int_int_const);

  ref3(a,0);

  ref4(a,0);

  (mem_fun_ref(&s::f_void_void_const))(a);

  (mem_fun_ref(&s::f_void_int_const))(a, 0);

  (mem_fun_ref(&s::f_int_void_const))(a);

  (mem_fun_ref(&s::f_int_int_const))(a, 0);

}