namespace std {
namespace tr1 {
// HELPER CLASSES
template <class Ty, Ty v>
struct integral_constant;
typedef integral_constant<bool, false> false_type;
typedef integral_constant<bool, true> true_type;
// TYPE CATEGORIES
template <class Ty> struct is_void;
template <class Ty> struct is_integral;
template <class Ty> struct is_floating_point;
template <class Ty> struct is_array;
template <class Ty> struct is_pointer;
template <class Ty> struct is_reference;
template <class Ty> struct is_member_object_pointer;
template <class Ty> struct is_member_function_pointer;
template <class Ty> struct is_enum;
template <class Ty> struct is_union;
template <class Ty> struct is_class;
template <class Ty> struct is_function;
template <class Ty> struct is_arithmetic;
template <class Ty> struct is_fundamental;
template <class Ty> struct is_object;
template <class Ty> struct is_scalar;
template <class Ty> struct is_compound;
template <class Ty> struct is_member_pointer;
// TYPE PROPERTIES
template <class Ty> struct is_const;
template <class Ty> struct is_volatile;
template <class Ty> struct is_pod;
template <class Ty> struct is_empty;
template <class Ty> struct is_polymorphic;
template <class Ty> struct is_abstract;
template <class Ty> struct has_trivial_constructor;
template <class Ty> struct has_trivial_copy;
template <class Ty> struct has_trivial_assign;
template <class Ty> struct has_trivial_destructor;
template <class Ty> struct has_nothrow_constructor;
template <class Ty> struct has_nothrow_copy;
template <class Ty> struct has_nothrow_assign;
template <class Ty> struct has_virtual_destructor;
template <class Ty> struct is_signed;
template <class Ty> struct is_unsigned;
template <class Ty> struct alignment_of;
template <class Ty> struct rank;
template <class Ty, unsigned _I = 0> struct extent;
// TYPE COMPARISONS
template <class Ty1, class Ty2> struct is_same;
template <class From, class To> struct is_convertible;
template <class Base, class Derived> struct is_base_of;
// CONST-VOLATILE MODIFICATIONS
template <class Ty> struct remove_const;
template <class Ty> struct remove_volatile;
template <class Ty> struct remove_cv;
template <class Ty> struct add_const;
template <class Ty> struct add_volatile;
template <class Ty> struct add_cv;
// REFERENCE MODIFICATIONS
template <class Ty> struct remove_reference;
template <class Ty> struct add_reference;
// ARRAY MODIFICATIONS
template <class Ty> struct remove_extent;
template <class Ty> struct remove_all_extents;
// POINTER MODIFICATIONS
template <class Ty> struct remove_pointer;
template <class Ty> struct add_pointer;
//OTHER MODIFICATIONS
template <class Ty> struct aligned_storage;
} // namespace tr1
} // namespace std