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docs: Date haddock

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Simon Michael 2009-12-12 22:19:57 +00:00
parent b0006ce83f
commit d3083ef316
1 changed files with 4 additions and 2 deletions
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Ledger/Dates.hs
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@ -1,9 +1,11 @@
{-|
Date parsing and utilities for hledger.
For date and time values, we use the standard Day and UTCTime types.
A 'SmartDate' is a date which may be partially-specified or relative.
Eg 2008/12/31, but also 2008/12, 12/31, tomorrow, last week, next year.
Eg 2008\/12\/31, but also 2008\/12, 12\/31, tomorrow, last week, next year.
We represent these as a triple of strings like (\"2008\",\"12\",\"\"),
(\"\",\"\",\"tomorrow\"), (\"\",\"last\",\"week\").
@ -115,7 +117,7 @@ spanFromSmartDate refdate sdate = DateSpan (Just b) (Just e)
span (y,m,"") = (startofmonth day, nextmonth day) where day = fromGregorian (read y) (read m) 1
span (y,m,d) = (day, nextday day) where day = fromGregorian (read y) (read m) (read d)
-- | Convert a smart date string to an explicit yyyy/mm/dd string using
-- | Convert a smart date string to an explicit yyyy\/mm\/dd string using
-- the provided reference date.
fixSmartDateStr :: Day -> String -> String
fixSmartDateStr t s = printf "%04d/%02d/%02d" y m d