caf::telemetry::counter< ValueType > Class Template Reference

A metric that represents a single value that can only go up. More...

#include <counter.hpp>

Public Types
using	value_type = ValueType
using	family_setting = unit_t

Public Member Functions
	counter (value_type initial_value) noexcept
	counter (span< const label >) noexcept
void	inc () noexcept
	Increments the counter by 1.
void	inc (value_type amount) noexcept
	Increments the counter by amount.
template<class T = ValueType>
std::enable_if_t< std::is_same_v< T, int64_t >, T >	operator++ () noexcept
	Increments the counter by 1.
template<class T = ValueType>
std::enable_if_t< std::is_same_v< T, int64_t >, T >	operator++ (int) noexcept
	Increments the counter by 1.
value_type	value () const noexcept
	Returns the current value of the counter.

Static Public Attributes
static constexpr metric_type	runtime_type

Detailed Description

template<class ValueType>
class caf::telemetry::counter< ValueType >

A metric that represents a single value that can only go up.

Member Function Documentation

inc()

template<class ValueType >

void caf::telemetry::counter< ValueType >::inc ( value_type amount )

noexcept

Increments the counter by amount.

Precondition

amount >= 0

operator++() [1/2]

template<class ValueType >

template<class T = ValueType>

std::enable_if_t< std::is_same_v< T, int64_t >, T > caf::telemetry::counter< ValueType >::operator++ ( )

noexcept

Increments the counter by 1.

Returns

The new value of the counter.

operator++() [2/2]

template<class ValueType >

template<class T = ValueType>

std::enable_if_t< std::is_same_v< T, int64_t >, T > caf::telemetry::counter< ValueType >::operator++ ( int )

noexcept

Increments the counter by 1.

Returns

The old value of the counter.

Member Data Documentation

runtime_type

template<class ValueType >

metric_type caf::telemetry::counter< ValueType >::runtime_type

staticconstexpr

Initial value:

= std::is_same_v<value_type, double>
                                                ? metric_type::dbl_counter
                                                : metric_type::int_counter

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The documentation for this class was generated from the following files:

• libcaf_core/caf/fwd.hpp
• libcaf_core/caf/telemetry/counter.hpp