Define an accumulator that counts the occurrence of a given value. More...
#include <count_value.hh>
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 >
Define an accumulator that counts the occurrence of a given value.
Definition at line 72 of file count_value.hh.
Member Typedef Documentation
| typedef V mln::accu::count_value< V >::argument |
Definition at line 75 of file count_value.hh.
typedef Accumulator<void> mln::Accumulator< count_value< V > >::category [inherited] |
Reimplemented from mln::Proxy< count_value< V > >.
Definition at line 80 of file accumulator.hh.
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
| mln::accu::count_value< V >::count_value | ( | ) | [inline] |
Definition at line 135 of file count_value.hh.
References mln::accu::count_value< V >::init(), and mln::accu::count_value< V >::valid_.
| mln::accu::count_value< V >::count_value | ( | const V & | ref | ) | [inline, explicit] |
Definition at line 143 of file count_value.hh.
References mln::accu::count_value< V >::init(), mln::accu::count_value< V >::ref_, and mln::accu::count_value< V >::valid_.
Member Function Documentation
| void mln::accu::count_value< V >::init | ( | ) | [inline] |
Manipulators.
Definition at line 153 of file count_value.hh.
References mln::accu::count_value< V >::count_.
Referenced by mln::accu::count_value< V >::count_value().
| bool mln::accu::count_value< V >::is_valid | ( | ) | const [inline] |
Check whether this accu is able to return a result.
Always true here.
Definition at line 216 of file count_value.hh.
References mln::accu::count_value< V >::valid_.
Referenced by mln::accu::count_value< V >::take(), and mln::accu::count_value< V >::untake().
| void mln::accu::count_value< V >::set_value | ( | unsigned | c | ) | [inline] |
Force the value of the counter to c.
Definition at line 208 of file count_value.hh.
References mln::accu::count_value< V >::count_.
| unsigned mln::accu::internal::base< unsigned , count_value< V > >::subj_ | ( | ) | [inherited] |
| void mln::accu::count_value< V >::take | ( | const argument & | l | ) | [inline] |
Definition at line 161 of file count_value.hh.
References mln::accu::count_value< V >::count_, and mln::accu::count_value< V >::ref_.
| void mln::accu::count_value< V >::take | ( | const count_value< V > & | other | ) | [inline] |
Definition at line 170 of file count_value.hh.
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".
| unsigned mln::accu::count_value< V >::to_result | ( | ) | const [inline] |
Get the value of the accumulator.
Definition at line 199 of file count_value.hh.
References mln::accu::count_value< V >::count_.
| void mln::accu::count_value< V >::untake | ( | const count_value< V > & | other | ) | [inline] |
Definition at line 189 of file count_value.hh.
References mln::accu::count_value< V >::count_, mln::accu::count_value< V >::is_valid(), and mln::accu::count_value< V >::ref_.
| void mln::accu::count_value< V >::untake | ( | const argument & | l | ) | [inline] |
Definition at line 180 of file count_value.hh.
References mln::accu::count_value< V >::count_, and mln::accu::count_value< V >::ref_.
Member Data Documentation
unsigned mln::accu::count_value< V >::count_ [protected] |
The value of the counter.
Definition at line 101 of file count_value.hh.
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().
V mln::accu::count_value< V >::ref_ [protected] |
The value which must be counted.
Definition at line 103 of file count_value.hh.
Referenced by mln::accu::count_value< V >::count_value(), mln::accu::count_value< V >::take(), and mln::accu::count_value< V >::untake().
bool mln::accu::count_value< V >::valid_ [protected] |
Set to false if the reference value is not set.
Definition at line 106 of file count_value.hh.
Referenced by mln::accu::count_value< V >::count_value(), and mln::accu::count_value< V >::is_valid().
