Represents a duration with nanosecond precision. More...

#include <timestamp.h>

Public Types
using	rep = int64_t
	Type used for nanosecond representation.
using	chrono_duration = std::chrono::duration<rep, std::nano>
	Underlying chrono duration type (nanoseconds)

Public Member Functions
constexpr	Duration () noexcept=default
	Default constructor, initializes to zero.
constexpr	Duration (rep nanoseconds) noexcept
	Constructs a duration with specified nanoseconds.
template<typename Rep, typename Period>
constexpr	Duration (const std::chrono::duration< Rep, Period > &duration) noexcept
	Constructs a duration from std::chrono::duration.
constexpr	Duration (const Duration &) noexcept=default
constexpr	Duration (Duration &&) noexcept=default
constexpr Duration &	operator= (const Duration &) noexcept=default
constexpr Duration &	operator= (Duration &&) noexcept=default
constexpr chrono_duration	to_chrono () const noexcept
	Converts to std::chrono::duration.
template<typename TargetDuration>
constexpr TargetDuration	to () const noexcept
	Converts to any std::chrono::duration.
constexpr rep	days () const noexcept
	Gets the duration in days.
constexpr double	days_float () const noexcept
	Gets the duration in days with fractional precision.
constexpr rep	hours () const noexcept
	Gets the duration in hours.
constexpr double	hours_float () const noexcept
	Gets the duration in hours with fractional precision.
constexpr rep	minutes () const noexcept
	Gets the duration in minutes.
constexpr double	minutes_float () const noexcept
	Gets the duration in minutes with fractional precision.
constexpr rep	seconds () const noexcept
	Gets the duration in seconds.
constexpr double	seconds_float () const noexcept
	Gets the duration in seconds with fractional precision.
constexpr rep	milliseconds () const noexcept
	Gets the duration in milliseconds.
constexpr double	milliseconds_float () const noexcept
	Gets the duration in milliseconds with fractional precision.
constexpr rep	microseconds () const noexcept
	Gets the duration in microseconds.
constexpr double	microseconds_float () const noexcept
	Gets the duration in microseconds with fractional precision.
constexpr rep	nanoseconds () const noexcept
	Gets the duration in nanoseconds.
constexpr double	nanoseconds_float () const noexcept
	Gets the duration in nanoseconds with double precision.
constexpr rep	count () const noexcept
	Gets the total duration in nanoseconds.
constexpr Duration	operator+ () const noexcept
constexpr Duration	operator- () const noexcept
constexpr Duration &	operator+= (const Duration &other) noexcept
constexpr Duration &	operator-= (const Duration &other) noexcept
constexpr Duration &	*operator=** (rep multiplier) noexcept
constexpr Duration &	operator/= (rep divisor) noexcept
constexpr Duration &	operator%= (const Duration &other) noexcept
constexpr bool	operator== (const Duration &rhs) const noexcept
constexpr bool	operator!= (const Duration &rhs) const noexcept
constexpr bool	operator< (const Duration &rhs) const noexcept
constexpr bool	operator<= (const Duration &rhs) const noexcept
constexpr bool	operator> (const Duration &rhs) const noexcept
constexpr bool	operator>= (const Duration &rhs) const noexcept

Static Public Member Functions
static constexpr Duration	zero () noexcept
	Represents zero duration.
static constexpr Duration	from_days (rep days) noexcept
	Factory method to create a Duration from days.
static constexpr Duration	from_hours (rep hours) noexcept
	Factory method to create a Duration from hours.
static constexpr Duration	from_minutes (rep minutes) noexcept
	Factory method to create a Duration from minutes.
static constexpr Duration	from_seconds (rep seconds) noexcept
	Factory method to create a Duration from seconds.
static constexpr Duration	from_milliseconds (rep ms) noexcept
	Factory method to create a Duration from milliseconds.
static constexpr Duration	from_microseconds (rep us) noexcept
	Factory method to create a Duration from microseconds.
static constexpr Duration	from_nanoseconds (rep ns) noexcept
	Factory method to create a Duration from nanoseconds.

Detailed Description

Represents a duration with nanosecond precision.

Duration provides a platform-independent way to represent time durations with high precision. It supports arithmetic operations and various time unit conversions, fully interoperable with std::chrono::duration.

Constructor & Destructor Documentation

◆ Duration() [1/2]

qb::Duration::Duration ( rep nanoseconds )

inlineexplicitconstexprnoexcept

Constructs a duration with specified nanoseconds.

Parameters

nanoseconds Duration in nanoseconds

◆ Duration() [2/2]

template<typename Rep, typename Period>

qb::Duration::Duration ( const std::chrono::duration< Rep, Period > & duration )

inlineexplicitconstexprnoexcept

Constructs a duration from std::chrono::duration.

Template Parameters

Rep	The count representation type
Period	The period type

Parameters

duration A std::chrono duration

Member Function Documentation

◆ to_chrono()

chrono_duration qb::Duration::to_chrono ( ) const

inlinenodiscardconstexprnoexcept

Converts to std::chrono::duration.

Returns: Equivalent std::chrono::duration in nanoseconds

◆ to()

template<typename TargetDuration>

TargetDuration qb::Duration::to ( ) const

inlinenodiscardconstexprnoexcept

Converts to any std::chrono::duration.

Template Parameters

Duration The target duration type

Returns: Duration converted to the specified std::chrono::duration

◆ from_days()

constexpr Duration qb::Duration::from_days ( rep days )

inlinestaticnodiscardconstexprnoexcept

Factory method to create a Duration from days.

Parameters

days	Number of days

Returns: A Duration representing the specified number of days

◆ from_hours()

constexpr Duration qb::Duration::from_hours ( rep hours )

inlinestaticnodiscardconstexprnoexcept

Factory method to create a Duration from hours.

Parameters

hours Number of hours

Returns: A Duration representing the specified number of hours

◆ from_minutes()

constexpr Duration qb::Duration::from_minutes ( rep minutes )

inlinestaticnodiscardconstexprnoexcept

Factory method to create a Duration from minutes.

Parameters

minutes Number of minutes

Returns: A Duration representing the specified number of minutes

◆ from_seconds()

constexpr Duration qb::Duration::from_seconds ( rep seconds )

inlinestaticnodiscardconstexprnoexcept

Factory method to create a Duration from seconds.

Parameters

seconds Number of seconds

Returns: A Duration representing the specified number of seconds

◆ from_milliseconds()

constexpr Duration qb::Duration::from_milliseconds ( rep ms )

inlinestaticnodiscardconstexprnoexcept

Factory method to create a Duration from milliseconds.

Parameters

ms	Number of milliseconds

Returns: A Duration representing the specified number of milliseconds

◆ from_microseconds()

constexpr Duration qb::Duration::from_microseconds ( rep us )

inlinestaticnodiscardconstexprnoexcept

Factory method to create a Duration from microseconds.

Parameters

us	Number of microseconds

Returns: A Duration representing the specified number of microseconds

◆ from_nanoseconds()

constexpr Duration qb::Duration::from_nanoseconds ( rep ns )

inlinestaticnodiscardconstexprnoexcept

Factory method to create a Duration from nanoseconds.

Parameters

ns	Number of nanoseconds

Returns: A Duration representing the specified number of nanoseconds

◆ days()

rep qb::Duration::days ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in days.

Returns: Number of whole days

◆ days_float()

double qb::Duration::days_float ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in days with fractional precision.

Returns: Number of days with decimal point

◆ hours()

rep qb::Duration::hours ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in hours.

Returns: Number of whole hours

◆ hours_float()

double qb::Duration::hours_float ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in hours with fractional precision.

Returns: Number of hours with decimal point

◆ minutes()

rep qb::Duration::minutes ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in minutes.

Returns: Number of whole minutes

◆ minutes_float()

double qb::Duration::minutes_float ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in minutes with fractional precision.

Returns: Number of minutes with decimal point

◆ seconds()

rep qb::Duration::seconds ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in seconds.

Returns: Number of whole seconds

◆ seconds_float()

double qb::Duration::seconds_float ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in seconds with fractional precision.

Returns: Number of seconds with decimal point

◆ milliseconds()

rep qb::Duration::milliseconds ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in milliseconds.

Returns: Number of whole milliseconds

◆ milliseconds_float()

double qb::Duration::milliseconds_float ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in milliseconds with fractional precision.

Returns: Number of milliseconds with decimal point

◆ microseconds()

rep qb::Duration::microseconds ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in microseconds.

Returns: Number of whole microseconds

◆ microseconds_float()

double qb::Duration::microseconds_float ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in microseconds with fractional precision.

Returns: Number of microseconds with decimal point

◆ nanoseconds()

rep qb::Duration::nanoseconds ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in nanoseconds.

Returns: Number of nanoseconds

◆ nanoseconds_float()

double qb::Duration::nanoseconds_float ( ) const

inlinenodiscardconstexprnoexcept

Gets the duration in nanoseconds with double precision.

Returns: Number of nanoseconds as double

◆ count()

rep qb::Duration::count ( ) const

inlinenodiscardconstexprnoexcept

Gets the total duration in nanoseconds.

Returns: Duration in nanoseconds

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ Duration() [1/2]

◆ Duration() [2/2]

Member Function Documentation

◆ to_chrono()

◆ to()

◆ from_days()

◆ from_hours()

◆ from_minutes()

◆ from_seconds()

◆ from_milliseconds()

◆ from_microseconds()

◆ from_nanoseconds()

◆ days()

◆ days_float()

◆ hours()

◆ hours_float()

◆ minutes()

◆ minutes_float()

◆ seconds()

◆ seconds_float()

◆ milliseconds()

◆ milliseconds_float()

◆ microseconds()

◆ microseconds_float()

◆ nanoseconds()

◆ nanoseconds_float()

◆ count()