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=begin
Copyright (C) 2008 Sam Roberts
This library is free software; you can redistribute it and/or modify it
under the same terms as the ruby language itself, see the file COPYING for
details.
=end
require 'date'
# Extensions to builtin Time allowing addition to Time by multiples of other
# intervals than a second.
class Time
# Returns a new Time, +years+ later than this time. Feb 29 of a
# leap year will be rounded up to Mar 1 if the target date is not a leap
# year.
def plus_year(years)
Time.local(year + years, month, day, hour, min, sec, usec)
end
# Returns a new Time, +months+ later than this time. The day will be
# rounded down if it is not valid for that month.
# Jan 31 plus 1 month will be on Feb 28!
def plus_month(months)
d = Date.new(year, month, day)
d >>= months
Time.local(d.year, d.month, d.day, hour, min, sec, usec)
end
# Returns a new Time, +days+ later than this time.
# Does this do as I expect over DST? What if the hour doesn't exist
# in the next day, due to DST changes?
def plus_day(days)
d = Date.new(year, month, day)
d += days
Time.local(d.year, d.month, d.day, hour, min, sec, usec)
end
end
Version data entries
11 entries across 11 versions & 6 rubygems