man std::iterator (Fonctions bibliothèques) - Common iterator class.
NAME
std::iterator - Common iterator class.
SYNOPSIS
#include <iterator>
Public Types
typedef Category iterator_category
One of the tag types.
typedef Type value_type
The type 'pointed to' by the iterator.
typedef Distance difference_type
Distance between iterators is represented as this type.
typedef Pointer pointer
This type represents a pointer-to-value_type.
typedef Reference reference
This type represents a reference-to-value_type.
Detailed Description
template<typename Category, typename Type, typename Distance = ptrdiff_t, typename Pointer = Type*, typename Reference = Type&> struct std::iterator< Category, Type, Distance, Pointer, Reference >
Common iterator class.
This class does nothing but define nested typedefs. Iterator classes can inherit from this class to save some work. The typedefs are then used in specializations and overloading.
In particular, there are no default implementations of requirements such as operator++ and the like. (How could there be?)
Definition at line 106 of file iterator.
Member Typedef Documentation
template<typename Category, typename Type, typename Distance = ptrdiff_t, typename Pointer = Type*, typename Reference = Type&> typedef Distance std::iterator< Category, Type, Distance, Pointer, Reference >::difference_type
Distance between iterators is represented as this type.
Reimplemented in std::reverse_iterator< Iterator >.
Definition at line 113 of file iterator.
template<typename Category, typename Type, typename Distance = ptrdiff_t, typename Pointer = Type*, typename Reference = Type&> typedef Category std::iterator< Category, Type, Distance, Pointer, Reference >::iterator_category
One of the tag types.
Definition at line 109 of file iterator.
template<typename Category, typename Type, typename Distance = ptrdiff_t, typename Pointer = Type*, typename Reference = Type&> typedef Pointer std::iterator< Category, Type, Distance, Pointer, Reference >::pointer
This type represents a pointer-to-value_type.
Reimplemented in std::Bit_iterator, std::Bit_const_iterator, std::reverse_iterator< Iterator >, __gnu_cxx::Rope_const_iterator< CharT, Alloc >, and __gnu_cxx::Rope_iterator< CharT, Alloc >.
Definition at line 115 of file iterator.
template<typename Category, typename Type, typename Distance = ptrdiff_t, typename Pointer = Type*, typename Reference = Type&> typedef Reference std::iterator< Category, Type, Distance, Pointer, Reference >::reference
This type represents a reference-to-value_type.
Reimplemented in std::Bit_iterator, std::Bit_const_iterator, std::reverse_iterator< Iterator >, __gnu_cxx::Rope_const_iterator< CharT, Alloc >, and __gnu_cxx::Rope_iterator< CharT, Alloc >.
Definition at line 117 of file iterator.
template<typename Category, typename Type, typename Distance = ptrdiff_t, typename Pointer = Type*, typename Reference = Type&> typedef Type std::iterator< Category, Type, Distance, Pointer, Reference >::value_type
The type 'pointed to' by the iterator.
Reimplemented in __gnu_cxx::sequence_buffer< Sequence, Buf_sz >.
Definition at line 111 of file iterator.
Author
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