mln::accu::count_value< V > Struct Template Reference [On values]

Count a given value. More...

#include <count_value.hh>

Inheritance diagram for mln::accu::count_value< V >:

List of all members.

Public Types
typedef V	argument
typedef Accumulator< void >	category
typedef count_value< V >	exact_t
typedef unsigned	q_result
typedef mln::metal::unqualif < unsigned >::ret	result
Public Member Functions
	count_value ()
	count_value (const V &ref)
bool	is_valid () const
	Check whether this accu is able to return a result.
unsigned	subj_ ()
void	take_as_init (const T &t)
	Take as initialization the value t.
void	take_as_init_ (const T &t)
	Default implementation of "take as initialization".
void	take_n_times (unsigned n, const T &t)
	Take n times the value t.
void	take_n_times_ (unsigned n, const T &t)
	Default implementation of "take n times".
unsigned	to_result () const
	Get the value of the accumulator.
void	init ()
	Manipulators.
void	take (const argument &)
void	take (const count_value< V > &other)
void	untake (const argument &)
void	untake (const count_value< V > &other)
void	set_value (unsigned c)
	Force the value of the counter to c.
Protected Attributes
unsigned	count_
	The value of the counter.
V	ref_
	The value which must be counted.
bool	valid_
	Set to false if the reference value is not set.

---

Detailed Description

template<typename V>
struct mln::accu::count_value< V >

Count a given value.

---

Member Typedef Documentation

template<typename V>

typedef V mln::accu::count_value< V >::argument

typedef Accumulator<void> mln::Accumulator< count_value< V > >::category [inherited]

Reimplemented from mln::Proxy< count_value< V > >.

typedef count_value< V > mln::Object< count_value< V > >::exact_t [inherited]

typedef unsigned mln::accu::internal::base< unsigned , count_value< V > >::q_result [inherited]

typedef mln::metal::unqualif< unsigned >::ret mln::accu::internal::base< unsigned , count_value< V > >::result [inherited]

---

Constructor & Destructor Documentation

template<typename V >

mln::accu::count_value< V >::count_value

(

)

[inline]

References mln::accu::count_value< V >::init(), and mln::accu::count_value< V >::valid_.

template<typename V >

mln::accu::count_value< V >::count_value

(

const V &

ref

)

[inline, explicit]

References mln::accu::count_value< V >::init(), mln::accu::count_value< V >::ref_, and mln::accu::count_value< V >::valid_.

---

Member Function Documentation

template<typename V >

void mln::accu::count_value< V >::init

(

)

[inline]

Manipulators.

References mln::accu::count_value< V >::count_.

Referenced by mln::accu::count_value< V >::count_value().

template<typename V >

bool mln::accu::count_value< V >::is_valid

(

)

const [inline]

Check whether this accu is able to return a result.

Always true here.

References mln::accu::count_value< V >::valid_.

Referenced by mln::accu::count_value< V >::take(), and mln::accu::count_value< V >::untake().

template<typename V >

void mln::accu::count_value< V >::set_value

(

unsigned

c

)

[inline]

Force the value of the counter to c.

References mln::accu::count_value< V >::count_.

unsigned mln::accu::internal::base< unsigned , count_value< V > >::subj_

(

)

[inherited]

template<typename V >

void mln::accu::count_value< V >::take

(

const argument &

l

)

[inline]

References mln::accu::count_value< V >::count_, and mln::accu::count_value< V >::ref_.

template<typename V >

void mln::accu::count_value< V >::take

(

const count_value< V > &

other

)

[inline]

References mln::accu::count_value< V >::count_, mln::accu::count_value< V >::is_valid(), and mln::accu::count_value< V >::ref_.

void mln::Accumulator< count_value< V > >::take_as_init

(

const T &

t

)

[inherited]

Take as initialization the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

void mln::Accumulator< count_value< V > >::take_as_init_

(

const T &

t

)

[inherited]

Default implementation of "take as initialization".

void mln::Accumulator< count_value< V > >::take_n_times	(	unsigned	n,
		const T &	t
	)			[inherited]

Take n times the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

void mln::Accumulator< count_value< V > >::take_n_times_	(	unsigned	n,
		const T &	t
	)			[inherited]

Default implementation of "take n times".

template<typename V >

unsigned mln::accu::count_value< V >::to_result

(

)

const [inline]

Get the value of the accumulator.

References mln::accu::count_value< V >::count_.

template<typename V >

void mln::accu::count_value< V >::untake

(

const count_value< V > &

other

)

[inline]

References mln::accu::count_value< V >::count_, mln::accu::count_value< V >::is_valid(), and mln::accu::count_value< V >::ref_.

template<typename V >

void mln::accu::count_value< V >::untake

(

const argument &

l

)

[inline]

References mln::accu::count_value< V >::count_, and mln::accu::count_value< V >::ref_.

---

Member Data Documentation

template<typename V>

unsigned mln::accu::count_value< V >::count_ [protected]

The value of the counter.

Referenced by mln::accu::count_value< V >::init(), mln::accu::count_value< V >::set_value(), mln::accu::count_value< V >::take(), mln::accu::count_value< V >::to_result(), and mln::accu::count_value< V >::untake().

template<typename V>

V mln::accu::count_value< V >::ref_ [protected]

The value which must be counted.

Referenced by mln::accu::count_value< V >::count_value(), mln::accu::count_value< V >::take(), and mln::accu::count_value< V >::untake().

template<typename V>

bool mln::accu::count_value< V >::valid_ [protected]

Set to false if the reference value is not set.

Referenced by mln::accu::count_value< V >::count_value(), and mln::accu::count_value< V >::is_valid().