time+ ( time1 time2 -- time3 )
Calendar » Timestamp arithmetic

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time- ( time1 time2 -- time3 )

Vocabulary
calendar

Inputs

time1	a timestamp or a duration
time2	a timestamp or a duration

Outputs

time3

a timestamp or a duration

Word description
Adds two durations to produce a duration or adds a timestamp and a duration to produce a timestamp. The calculation takes timezones into account.

Examples

USING: calendar math.order prettyprint ; 10 months 2 months time+ 1 years <=> .
+eq+

USING: accessors calendar math.order prettyprint ; 2010 1 1 <date> 3 days time+ day>> .
4

See also
time-

Definition

IN: calendar

GENERIC#: time+ 1 ( time1 time2 -- time3 )

Methods

USING: calendar kernel ;

M: duration time+
    dup timestamp? [ swap time+ ] [ duration+ ] if ;


USING: calendar calendar.private kernel ;

M: timestamp time+ [ clone ] dip (time+) ;