Filter Modules

Time Unit Conversions

class TimeUnit a Source #

A type class for converting between time units using Integer as the intermediate and the widest representation with a nanosecond resolution. This system of units can represent arbitrarily large times but provides least efficient arithmetic operations due to Integer arithmetic.

NOTE: Converting to and from units may truncate the value depending on the original value and the size and resolution of the destination unit.

A type class for converting between units of time using TimeSpec as the intermediate representation. This system of units can represent up to ~292 billion years at nanosecond resolution with reasonably efficient arithmetic operations.

NOTE: Converting to and from units may truncate the value depending on the original value and the size and resolution of the destination unit.

Minimal complete definition

toTimeSpec, fromTimeSpec

class TimeUnit64 a Source #

A type class for converting between units of time using Int64 as the intermediate representation with a nanosecond resolution. This system of units can represent up to ~292 years at nanosecond resolution with fast arithmetic operations.

NOTE: Converting to and from units may truncate the value depending on the original value and the size and resolution of the destination unit.

Minimal complete definition

toNanoSecond64, fromNanoSecond64

Time Units

data TimeSpec Source #

Data type to represent practically large quantities of time efficiently. It can represent time up to ~292 billion years at nanosecond resolution.

Constructors

TimeSpec 

Fields

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Eq TimeSpec Source # 
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Defined in Streamly.Internal.Data.Time.TimeSpec

Num TimeSpec Source # 
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Defined in Streamly.Internal.Data.Time.TimeSpec

Ord TimeSpec Source # 
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Defined in Streamly.Internal.Data.Time.TimeSpec

Read TimeSpec Source # 
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Defined in Streamly.Internal.Data.Time.TimeSpec

Show TimeSpec Source # 
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Defined in Streamly.Internal.Data.Time.TimeSpec

Storable TimeSpec Source # 
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Defined in Streamly.Internal.Data.Time.TimeSpec

TimeUnit TimeSpec Source # 
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Defined in Streamly.Internal.Data.Time.Units

newtype NanoSecond64 Source #

An Int64 time representation with a nanosecond resolution. It can represent time up to ~292 years.

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NanoSecond64 Int64 
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Bounded NanoSecond64 Source # 
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Enum NanoSecond64 Source # 
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Eq NanoSecond64 Source # 
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Integral NanoSecond64 Source # 
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Num NanoSecond64 Source # 
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Ord NanoSecond64 Source # 
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Read NanoSecond64 Source # 
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Real NanoSecond64 Source # 
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Show NanoSecond64 Source # 
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Prim NanoSecond64 Source # 
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TimeUnit64 NanoSecond64 Source # 
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TimeUnit NanoSecond64 Source # 
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newtype MicroSecond64 Source #

An Int64 time representation with a microsecond resolution. It can represent time up to ~292,000 years.

Constructors

MicroSecond64 Int64 
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Bounded MicroSecond64 Source # 
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Enum MicroSecond64 Source # 
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Eq MicroSecond64 Source # 
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Integral MicroSecond64 Source # 
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Num MicroSecond64 Source # 
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Ord MicroSecond64 Source # 
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Read MicroSecond64 Source # 
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Real MicroSecond64 Source # 
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Show MicroSecond64 Source # 
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Prim MicroSecond64 Source # 
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TimeUnit64 MicroSecond64 Source # 
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TimeUnit MicroSecond64 Source # 
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newtype MilliSecond64 Source #

An Int64 time representation with a millisecond resolution. It can represent time up to ~292 million years.

Constructors

MilliSecond64 Int64 
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Bounded MilliSecond64 Source # 
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Enum MilliSecond64 Source # 
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Eq MilliSecond64 Source # 
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Integral MilliSecond64 Source # 
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Num MilliSecond64 Source # 
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Ord MilliSecond64 Source # 
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Read MilliSecond64 Source # 
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Real MilliSecond64 Source # 
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Show MilliSecond64 Source # 
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Prim MilliSecond64 Source # 
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TimeUnit64 MilliSecond64 Source # 
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TimeUnit MilliSecond64 Source # 
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showNanoSecond64 :: NanoSecond64 -> String Source #

Convert nanoseconds to a string showing time in an appropriate unit.

Absolute times (using TimeSpec)

newtype AbsTime Source #

Absolute times are relative to a predefined epoch in time. AbsTime represents times using TimeSpec which can represent times up to ~292 billion years at a nanosecond resolution.

Constructors

AbsTime TimeSpec 
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Eq AbsTime Source # 
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Defined in Streamly.Internal.Data.Time.Units

Methods

(==) :: AbsTime -> AbsTime -> Bool #

(/=) :: AbsTime -> AbsTime -> Bool #

Ord AbsTime Source # 
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Show AbsTime Source # 
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toAbsTime :: TimeUnit a => a -> AbsTime Source #

Convert a TimeUnit to an absolute time.

fromAbsTime :: TimeUnit a => AbsTime -> a Source #

Convert absolute time to a TimeUnit.

Relative times (using TimeSpec)

Relative times (using NanoSecond64)

data RelTime64 Source #

Relative times are relative to some arbitrary point of time. Unlike AbsTime they are not relative to a predefined epoch.

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Bounded RelTime64 Source # 
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Enum RelTime64 Source # 
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Eq RelTime64 Source # 
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Integral RelTime64 Source # 
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Num RelTime64 Source # 
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Ord RelTime64 Source # 
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Read RelTime64 Source # 
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Real RelTime64 Source # 
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Show RelTime64 Source # 
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toRelTime64 :: TimeUnit64 a => a -> RelTime64 Source #

Convert a TimeUnit to a relative time.

fromRelTime64 :: TimeUnit64 a => RelTime64 -> a Source #

Convert relative time to a TimeUnit.

diffAbsTime64 :: AbsTime -> AbsTime -> RelTime64 Source #

Difference between two absolute points of time.

streamly-0.8.0Streamly.Internal.Data.Time.Units