set aStr to current application’s NSString’s stringWithString:"Sun, 06 Nov 1994 08:49:37 +0000"
set aDate to (current application’s NSDate’s GHparseRFC822:aStr) as date
–>　　date "1994年11月6日日曜日 17:49:37"

set bStr to current application’s NSString’s stringWithString:"1997-07-16T19:20:30.045Z"
set bDate to (current application’s NSDate’s GHparseISO8601:bStr) as date
–>　　date "1997年7月17日木曜日 4:20:30"

set cDateStr to bDate’s GHformatHTTP()
–>　　(NSString) "Wed, 16 Jul 1997 19:20:30 GMT"

set dDate to current application’s NSDate’s GHparseTimeSinceEpoch:(1.23456789E+9)
–>　　(NSDate) 2009-02-13 23:31:30 +0000

set eDate to current application’s NSDate’s |date|()
eDate’s GHisToday() as boolean
–>　　true
—–GHyesterday() cause error..

set fDate to eDate’s GHaddDays:-1
fDate’s GHwasYesterday() as boolean
–>　　true

set ffRes to ((fDate’s GHtimeAgo:false)’s |description|()) as string
–> "1 day"

set anArray to current application’s NSArray’s arrayWithArray:{1, 1, 3}
set cArray to anArray’s GHuniq() as list
–>　　 {​​​​​1, ​​​​​3​​​}

set aDic to current application’s NSDictionary’s dictionaryWithDictionary:{key1:2, key2:3.1, key3:true}
set aJSONstr to (aDic’s GHtoJSON:(current application’s NSJSONWritingPrettyPrinted) |error|:(missing value)) as string
(*
–> (NSString) "{＼n "key1" : 2,＼n "key3" : true,＼n "key2" : 3.1＼n}"
*)

(current application’s NSString’s GHisBlank:" ") as boolean
–>　　true

(current application’s NSString’s GHisBlank:(missing value)) as boolean
–>　　true

set aStr to current application’s NSString’s stringWithString:" some text "
set a1Str to (aStr’s GHstrip()) as string
–> "some text"

set a2Str to (aStr’s GHpresent()) as string
–> " some text "

set a3Str to aStr’s GHreverse()
–>　　 " txet emos "

set a4Str to aStr’s GHcount:"e"
–> 2