X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/94c5a08ebdc03125f84e7fed814a1599c788a09e..7d97ab04ead82d873242f80524c966b6bb46fee8:/examples/date_arithmetic.lua?ds=sidebyside diff --git a/examples/date_arithmetic.lua b/examples/date_arithmetic.lua index d5bd92b..4065122 100644 --- a/examples/date_arithmetic.lua +++ b/examples/date_arithmetic.lua @@ -1,33 +1,33 @@ local luatz = require "luatz" -- We do this a few times ==> Convert a timestamp to timetable and normalise -local function ts2tt ( ts ) - return luatz.timetable.new_from_timestamp ( ts ) +local function ts2tt(ts) + return luatz.timetable.new_from_timestamp(ts) end -- Get the current time in UTC -local utcnow = luatz.time ( ) -local now = ts2tt ( utcnow ) -print ( now , "now (UTC)" ) +local utcnow = luatz.time() +local now = ts2tt(utcnow) +print(now, "now (UTC)") -- Get a new time object 6 months from now -local x = now:clone ( ) +local x = now:clone() x.month = x.month + 6 -x:normalise ( ) -print ( x , "6 months from now" ) +x:normalise() +print(x, "6 months from now") -- Find out what time it is in Melbourne at the moment -local melbourne = luatz.get_tz ( "Australia/Melbourne" ) -local now_in_melbourne = ts2tt ( melbourne:localise ( utcnow ) ) -print ( now_in_melbourne , "Melbourne" ) +local melbourne = luatz.get_tz("Australia/Melbourne") +local now_in_melbourne = ts2tt(melbourne:localise(utcnow)) +print(now_in_melbourne, "Melbourne") -- Six months from now in melbourne (so month is incremented; but still the same time) -local m = now_in_melbourne:clone ( ) +local m = now_in_melbourne:clone() m.month = m.month + 6 -m:normalise ( ) -print ( m , "6 months from now in melbourne" ) +m:normalise() +print(m, "6 months from now in melbourne") -- Convert time back to utc; a daylight savings transition may have taken place! -- There may be 2 results, but for we'll ignore the second possibility -local c1 , c2 = melbourne:utctime ( m:timestamp( ) ) -print ( ts2tt ( c1 ) , "6 months from now in melbourne converted to utc" ) +local c, _ = melbourne:utctime(m:timestamp()) +print(ts2tt(c), "6 months from now in melbourne converted to utc")