};
+template<class C, class A>
+class void_class_fun_t {
+public:
+ void_class_fun_t(C & ct, void(C::*p)(A))
+ : c(ct), cmf(p) {}
+ void operator()(A & a) const {
+ return (c.*cmf)(a);
+ }
+private:
+ C & c;
+ void(C::*cmf)(A);
+};
+
+
template <class R, class C, class A> class_fun_t<R, C, A>
class_fun(C & c, R(C::*f)(A))
{
}
+template <class C, class A> void_class_fun_t<C, A>
+class_fun(C & c, void(C::*f)(A))
+{
+ return void_class_fun_t<C, A>(c, f);
+}
+
+
template <class Cont, class Type, class MemRet>
class back_insert_fun_iterator {
protected:
};
+template <class Cont, class Type, class MemRet>
+class const_back_insert_fun_iterator {
+protected:
+ Cont & container;
+ MemRet(Type::*pmf)() const;
+public:
+ const_back_insert_fun_iterator(Cont & x, MemRet(Type::*p)() const)
+ : container(x), pmf(p) {}
+
+ const_back_insert_fun_iterator &
+ operator=(Type const * val) {
+ container.push_back((val->*pmf)());
+ return *this;
+ }
+
+ const_back_insert_fun_iterator &
+ operator=(Type const & val) {
+ container.push_back((val.*pmf)());
+ return *this;
+ }
+
+ const_back_insert_fun_iterator & operator*() {
+ return *this;
+ }
+ const_back_insert_fun_iterator & operator++() { // prefix ++
+ return *this;
+ }
+ const_back_insert_fun_iterator & operator++(int) { // postfix ++
+ return *this;
+ }
+};
+
+
template <class Cont, class Type, class MemRet>
back_insert_fun_iterator<Cont, Type, MemRet>
back_inserter_fun(Cont & cont, MemRet(Type::*p)())
}
+template <class Cont, class Type, class MemRet>
+back_insert_fun_iterator<Cont, Type, MemRet>
+back_inserter_fun(Cont & cont, MemRet(Type::*p)() const)
+{
+ return const_back_insert_fun_iterator<Cont, Type, MemRet>(cont, p);
+}
+
+
template <class R, class C, class A>
class compare_memfun_t {
public:
};
+template <class R, class C, class A>
+class const_compare_memfun_t {
+public:
+ const_compare_memfun_t(R(C::*p)() const, A const & a)
+ : pmf(p), arg(a) {}
+ bool operator()(C const * c) {
+ return (c->*pmf)() == arg;
+ }
+ bool operator()(C const & c) {
+ return (c.*pmf)() == arg;
+ }
+private:
+ R(C::*pmf)() const;
+ A const & arg;
+};
+
+
template <class R, class C, class A>
compare_memfun_t<R, C, A>
compare_memfun(R(C::*p)(), A const & a)
return compare_memfun_t<R, C, A>(p, a);
}
+
+template <class R, class C, class A>
+const_compare_memfun_t<R, C, A>
+compare_memfun(R(C::*p)() const, A const & a)
+{
+ return const_compare_memfun_t<R, C, A>(p, a);
+}
+
// Functors used in the template.