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// { dg-do compile }
// { dg-options "-std=c++11 -O2 -fnon-call-exceptions" }
template < typename > class allocator;
template < class _CharT > struct char_traits;
template < typename _CharT, typename _Traits = char_traits < _CharT >,
typename _Alloc = allocator < _CharT > >class basic_string;
typedef basic_string < char >string;
template < typename _Tp > class new_allocator
{
template < typename _Tp1 > struct rebind
{
typedef new_allocator < _Tp1 > other;
};
};
template < typename _Tp > using __allocator_base = new_allocator < _Tp >;
template < typename _Tp > class allocator:public __allocator_base < _Tp >
{
};
template < typename _CharT, typename _Traits, typename _Alloc >
class basic_string
{
public:
basic_string (const _CharT * __s, const _Alloc & __a = _Alloc ());
~basic_string ()noexcept;
};
template < typename T > struct add_reference
{
typedef T & type;
};
template < typename ... Values > class tuple;
template <> class tuple <>
{
};
template < typename Head, typename ... Tail > class tuple < Head, Tail ... >:private tuple <
Tail ...
>
{
typedef tuple < Tail ... >inherited;
public:
template < typename ... VValues >
tuple (const tuple < VValues ... >&other):inherited (other.tail ()),
m_head (other.head ())
{
}
typename add_reference < const Head >::type head () const
{
return m_head;
}
const inherited & tail () const
{
return *this;
}
Head m_head;
};
template < typename T > struct make_tuple_result
{
typedef T type;
};
template < typename ... Values >
tuple < typename make_tuple_result <
Values >::type ... >make_tuple (const Values & ... values);
int
main ()
{
tuple < int, float, string > t3c =
make_tuple (17, 2.718281828, string ("Fun"));
}
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