counter_iterator< T > Struct Template Reference

Counting output iterator that records how many times an output iterator was assigned to, but ignores the value stored. More...

#include <counter.h>

List of all members.

Classes
struct	target
	struct representation of a no-op. Makes assignment to target do nothing. More...
Public Types
typedef T	value_type
typedef T *	pointer
typedef T &	reference
typedef size_t	difference_type
typedef std::output_iterator_tag	iterator_category
Public Member Functions
	counter_iterator (value_type &c)
	counter_iterator (const counter_iterator &other)
counter_iterator &	operator= (const counter_iterator &other)
target	operator* ()
counter_iterator &	operator++ ()
counter_iterator	operator++ (int)
Public Attributes
pointer	count

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Detailed Description

template<class T>
struct cluster::counter_iterator< T >

Counting output iterator that records how many times an output iterator was assigned to, but ignores the value stored.

This is useful if you just want to know the size of something that an STL algorithm would output, without actually allocating space for it.

Note:

Don't use this directly; Instantiate this using the counter() template function so that you don't have to supply a type (see sample usage in file docs).

Definition at line 58 of file counter.h.

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Member Typedef Documentation

typedef size_t difference_type

Definition at line 62 of file counter.h.

typedef std::output_iterator_tag iterator_category

Definition at line 63 of file counter.h.

typedef T* pointer

Definition at line 60 of file counter.h.

typedef T& reference

Definition at line 61 of file counter.h.

typedef T value_type

Definition at line 59 of file counter.h.

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Constructor & Destructor Documentation

counter_iterator

(

value_type &

c )

[inline]

Definition at line 71 of file counter.h.

counter_iterator

(

const counter_iterator< T > &

other )

[inline]

Definition at line 72 of file counter.h.

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Member Function Documentation

target operator*

(

)

[inline]

Definition at line 74 of file counter.h.

counter_iterator operator++

(

int

)

[inline]

Definition at line 76 of file counter.h.

counter_iterator& operator++

(

)

[inline]

Definition at line 75 of file counter.h.

counter_iterator& operator=

(

const counter_iterator< T > &

other )

[inline]

Definition at line 73 of file counter.h.

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Member Data Documentation

pointer count

Definition at line 70 of file counter.h.

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The documentation for this struct was generated from the following file:

• src/counter.h