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make 'clean [template <class _Container>
class back_insert_iterator (
protected:
_Container* container;
public:
typedef _Container container_type;
typedef output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
typedef void pointer;
typedef void reference;
explicit back_insert_iterator(_Container& __x) : container(&__x) ()
back_insert_iterator<_Container>&
operator=(const typename _Container::value_type& __value) (
container->push_back(__value);
return *this;
)
back_insert_iterator<_Container>& operator*() ( return *this; )
back_insert_iterator<_Container>& operator++() ( return *this; )
back_insert_iterator<_Container>& operator++(int) ( return *this; )
) ]
type char count [
#ifndef __STL_CLASS_PARTIAL_SPECIALIZATION
template <class _Container>
inline output_iterator_tag
iterator_category(const back_insert_iterator<_Container>&)
(
return output_iterator_tag();
)
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
template <class _Container>
inline back_insert_iterator<_Container> back_inserter(_Container& __x) (
return back_insert_iterator<_Container>(__x);
)
template <class _Container>
class front_insert_iterator (
protected:
_Container* container;
public:
typedef _Container container_type;
typedef output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
typedef void pointer;
typedef void reference;
explicit front_insert_iterator(_Container& __x) : container(&__x) ()
front_insert_iterator<_Container>&
operator=(const typename _Container::value_type& __value) (
container->push_front(__value);
return *this;
)
] type char count [
front_insert_iterator<_Container>& operator*() ( return *this; )
front_insert_iterator<_Container>& operator++() ( return *this; )
front_insert_iterator<_Container>& operator++(int) ( return *this; )
);
#ifndef __STL_CLASS_PARTIAL_SPECIALIZATION
template <class _Container>
inline output_iterator_tag
iterator_category(const front_insert_iterator<_Container>&)
(
return output_iterator_tag();
)
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
template <class _Container>
inline front_insert_iterator<_Container> front_inserter(_Container& __x) (
return front_insert_iterator<_Container>(__x);
)
template <class _Container>
class insert_iterator (
protected:
typename _Container::iterator iter;
public:
typedef _Container container_type;
typedef output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
typedef void pointer;
typedef void reference;
insert_iterator(_Container& __x, typename _Container::iterator __i)
: container(&__x), iter(__i) ()
insert_iterator<_Container>&
operator=(const typename _Container::value_type& __value) (
iter = container->insert(iter, __value);
++iter;
return *this;
)
insert_iterator<_Container>& operator*() ( return *this; )
] type char count [
insert_iterator<_Container>& operator++() ( return *this; )
insert_iterator<_Container>& operator++(int) ( return *this; )
);
#ifndef __STL_CLASS_PARTIAL_SPECIALIZATION
template <class _Container>
inline output_iterator_tag
iterator_category(const insert_iterator<_Container>&)
(
return output_iterator_tag();
)
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
template <class _Container>
inline front_insert_iterator<_Container> front_inserter(_Container& __x) (
return front_insert_iterator<_Container>(__x);
)
template <class _Container>
class insert_iterator (
protected:
_Container* container;
typename _Container::iterator iter;
public:
typedef _Container container_type;
typedef output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
typedef void pointer;
typedef void reference;
insert_iterator(_Container& __x, typename _Container::iterator __i)
:container(&__x), iter(__i) ()
insert_iterator<_Container>&
operator=(const typename _Container::value_type& __value) (
iter = container->insert(iter, __value);
++iter;
return *this;
)
insert_iterator<_Container>& operator*() ( return *this; )
insert_iterator<_Container>& operator++() ( return *this; )
insert_iterator<_Container>& operator++(int) ( return *this; )
);
] type char count [
#ifndef __STL_LIMITED_DEFAULT_TEMPLATES
template <class _BidirectionalIterator, class _Tp, class _Reference = _Tp&,
class _Distance = ptrdiff_t>
#else
template <class _BidirectionalIterator, class _Tp, class _Reference,
class _Distance>
#endif
class reverse_bidirectional_iterator (
typedef reverse_bidirectional_iterator<_BidirectionalIterator, _Tp,
_Reference, _Distance> _Self;
protected:
_BidirectionalIterator current;
public:
typedef bidirectional_iterator_tag iterator_category;
typedef _Tp value_type;
typedef _Distance difference_type;
typedef _Tp* pointer;
typedef _Reference reference;
reverse_bidirectional_iterator() ()
explicit reverse_bidirectional_iterator(_BidirectionalIterator __x)
: current(__x) ()
_BidirectionalIterator base() const ( return current; )
_Reference operator*() const (
_BidirectionalIterator __tmp = current;
return *--__tmp;
)
#ifndef __SGI_STL_NO_ARROW_OPERATOR
pointer operator->() const ( return &(operator*()); )
#endif /* __SGI_STL_NO_ARROW_OPERATOR */
_Self& operator++() (
--current;
return *this;
)
_Self operator++(int) (
_Self __tmp= *this;
--current;
return __tmp;
)
] type char count [
_Self& operator--() (
++current;
return *this;
)
_Self operator--(int) (
_Self __tmp = *this;
++current;
return __tmp;
)
);
#ifndef __STL_CLASS_PARTIAL_SPECIALIZATION
template <class _BidirectionalIterator, class _Tp, class _Reference,
class _Distance>
inline bidirectional_iterator_tag
iterator_category(const reverse_bidirectional_iterator<_BidirectionalIterator,
_Tp, _Reference,
_Distance>&)
(
return bidirectional_iterator_tag();
)
template <class _BidirectionalIterator, class _Tp, class _Reference,
class _Distance>
inline _Tp*
value_type(const reverse_bidirectional_iterator<_BidirectionalIterator, _Tp,
_Reference, _Distance>&)
(
return (_Tp*) 0;
)
template <class _BidirectionalIterator, class _Tp, class _Reference,
class _Distance>
inline _Distance*
distance_type(const reverse_bidirectional_iterator<_BidirectionalIterator,
_Tp,
_Reference, _Distance>&)
(
return (_Distance*) 0;
)
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
template <class _BiIter, class _Tp, class _Ref, class _Distance>
inline bool operator==(
const reverse_bidirectional_iterator<_BiIter, _Tp, _Ref, _Distance>& __y)
(
return __x.base() == __y.base();
)
] type char count [
#endif /*__STL_CLASS_PARTIAL_SPECIALIZATION*/
template <class _BiIter , class _Tp , class _Ref , class _Distance>
inline bool operator ==(
const reverse_bidirectional_iterator <_BiIter , _Tp, _Ref , _Distance>& __x,
const reverse_bidirectional_iterator <_BiIter , _Tp, _Ref , _Distance>& __y)
(
return __x.base() == __y.base();
)
#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
] type char count [
template <class _BiIter, class _Tp, class _Ref, class _Distance>
inline bool operator!=(
const reverse_bidirectional_iterator<_BiIter, _Tp,_Ref, _Distance>& __x,
const reverse_bidirectional_iterator<_BiIter, _Tp,_Ref, _Distance>& __y)
(
return !(__x== __y);
)
inline bool operator!=(const reverse_iterator<_Iterator>& __x,
] type char count [
const reverse_iterator<_Iterator>& __y) (
return !(__x == __y);
)
template <class _Iterator>
inline bool operator>(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y) (
return __y < __x;
)
template <class _Iterator>
inline bool operator<=(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y) (
return !(__y < __x);
)
template <class _Iterator>
inline bool operator>=(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y) (
return !(__x < __y);
)
#endif /*__STL_FUNCTION_TMPL_PARTIAL_ORDER */
#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
// This is the new version of reverse_iterator, as defined in the
// draft C++ standard. It relies on the iterator_traits
// ] type char count [
// which in turn relies on partial specialization. The class
// reverse_bidirectional_iterator is no longer part of the draft
// standard, but it is retained for backward compatibility.
template <class _Iterator>
class reverse_iterator
(
protected:
_Iterator current;
public:
typedef typename iterator_traits<_Iterator>::iterator_category
iterator_category;
typedef typename iterator_traits<_Iterator>::value_type
value_type;
typedef typename iterator_traits<_Iterator>::difference_type
difference_type;
typedef typename iterator_traits<_Iterator>::pointer
pointer;
typedef typename iterator_traits<_Iterator>::reference
reference;
typedef _Iterator iterator_type;
typedef reverse_iterator<_Iterator> _Self;
public:
reverse_iterator() ()
explicit reverse_iterator(iterator_type __x) : current(__x) ()
template <class _Iterator>
inline bool operator>(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y) (
return __y < __x;
)
template <class _Iterator>
inline bool operator<= ( const reverse_iterator<_Iterator> & __x,
const reverse_iterator<_Iterator> & __y) (
return !(__y < __x);
)
] type char count [
// This is the old version of reverse_iterator, as found in the original
// HP STL. It does not use partial specialization.
#ifndef __STL_LIMITED_DEFAULT_TEMPLATES
template <class _RandomAccessIterator, class _Tp, class _Reference = _Tp&,
class _Distance = ptrdiff_t>
#else
template <class _RandomAccessIterator, class _Tp, class _Reference,
class _Distance>
#endif
class reverse_iterator (
typedef reverse_iterator<_RandomAccessIterator, _Tp, _Reference, _Distance>
_Self;
protected:
_RandomAccessIterator current;
public:
typedef random_access_iterator_tag iterator_category;
typedef _Tp value_type;
typedef _Distance difference_type;
typedef _Tp* pointer;
typedef _Reference reference;
reverse_iterator() ()
explicit reverse_iterator(_RandomAccessIterator __x) : current(__x) ()
_RandomAccessIterator base() const ( return current; )
_Reference operator*() const ( return *(current - 1); )
#ifndef __SGI_STL_NO_ARROW_OPERATOR
pointer operator->()const(return &(operator*());)
#endif /* __SGI_STL_NO_ARROW_OPERATOR */
_Self& operator++() (
--current;
return *this;
)
] type char count [
_Self operator++(int) (
_Self __tmp = *this;
--current;
return __tmp;
)
_Self& operator--() (
++current;
return *this;
)
_Self operator--(int) (
_Self __tmp = *this;
++current;
return __tmp;
)
_Self operator+(_Distance __n) const (
return _Self(current - __n);
)
_Self& operator+=(_Distance __n) (
current -= __n;
return *this;
)
_Self operator- (_Distance __n) const (
return _Self(current + __n);
)
_Self& operator-=(_Distance __n) (
current += __n;
return *this;
)
_Reference operator[] (_Distance __n ) const ( return * ( * this + __n); )
);
template <class _RandomAccessIterator , class _Tp,
class _Reference , class _Distance>
inline random_access_iterator_tag
iterator_category(const reverse_iterator<_RandomAccessIterator, _Tp,
_Reference, _Distance>&)
(
return random_access_iterator_tag();
)
] type char count [
template <class _RandomAccessIterator, class _Tp,
class _Reference, class _Distance>
inline bool
operator>(const reverse_iterator<_RandomAccessIterator, _Tp,
_Reference, _Distance>& __x,
const reverse_iterator<_RandomAccessIterator, _Tp,
_Reference, _Distance>& __y) (
return __y < __x;
)
template <class _RandomAccessIterator, class _Tp ,
class _Reference, class _Distance >
inline bool
operator<=(const reverse_iterator<_RandomAccessIterator, _Tp,
_Reference, _Distance>& __x,
const reverse_iterator<_RandomAccessIterator, _Tp,
_Reference, _Distance>& __y) (
return !(__y < __x) ;
)
template <class _RandomAccessIterator, class _Tp,
class _Reference, class _Distance>
inline bool
operator >= (const reverse_iterator <_RandomAccessIterator, _Tp,
_Reference , _Distance>& __x,
const reverse_iterator <_RandomAccessIterator, _Tp,
_Reference , _Distance>& __y) (
return ! (__x < __y) ;
)
#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */
] type char count [
template <class _Tp,
class _CharT =char, class _Traits= char_traits<_CharT> >
class ostream_iterator (
public:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef basic_ostream<_CharT, _Traits> ostream_type;
typedef output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
]
Giải trình:
makegán một giá trị cho một biến. Trong trường hợp make 'cleannày chỉ là obfuscation, gán một danh sách ngoặc vuông cho một biến cleanvà sau đó không làm gì với nó.
type char countđược sử dụng để in ra một ký tự dựa trên số lượng vật phẩm trong danh sách ngoặc vuông theo sau nó. typein ra một giá trị, chartrả về một ký tự dựa trên giá trị ASCII và counttrả về số lượng mục trong danh sách. Vì vậy, ví dụ type char count [ a b c d e f g h i j ]sẽ in ra một ký tự dòng mới (giá trị ASCII 10).
Dùng thử trực tuyến tại đây (cắt và dán nguồn yêu cầu)
