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Fixed to compile

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[SVN r37357]
This commit is contained in:
Peter Dimov
2007-04-04 21:30:32 +00:00
parent 41d9fbc317
commit ce24d4f735
1 changed files with 4 additions and 34 deletions
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38
bind_visitor.cpp
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@@ -31,32 +31,18 @@
#pragma warning(pop) #pragma warning(pop)
#endif #endif
// default implementation of visit_each //
namespace boost
{
template<class V, class T> void visit_each(V & v, T const & t, long)
{
v(t, 0);
}
}
// visitor
int hash = 0;
struct visitor struct visitor
{ {
template<class T> void operator()(boost::reference_wrapper<T> const & r, int) const template<class T> void operator()( boost::reference_wrapper<T> const & r ) const
{ {
std::cout << "Reference to " << typeid(T).name() << " @ " << &r.get() << " (with value " << r.get() << ")\n"; std::cout << "Reference to " << typeid(T).name() << " @ " << &r.get() << " (with value " << r.get() << ")\n";
hash += r.get();
} }
template<class T> void operator()(T const &, long) const template<class T> void operator()( T const & t ) const
{ {
std::cout << "Value of type " << typeid(T).name() << '\n'; std::cout << "Value of type " << typeid(T).name() << " (with value " << t << ")\n";
++hash;
} }
}; };
@@ -70,26 +56,10 @@ int f(int & i, int & j, int)
int x = 2; int x = 2;
int y = 7; int y = 7;
int detect_errors(bool x)
{
if(x)
{
std::cerr << "no errors detected.\n";
return 0;
}
else
{
std::cerr << "test failed.\n";
return 1;
}
}
int main() int main()
{ {
using namespace boost; using namespace boost;
visitor v; visitor v;
visit_each(v, bind<int>(bind(f, ref(x), _1, 42), ref(y)), 0); visit_each(v, bind<int>(bind(f, ref(x), _1, 42), ref(y)), 0);
return detect_errors(hash == 12);
} }