VtUtils.Date

Date format utilities

Documentation

dateFormat :: Text -> UTCTime -> Text

Formats a date into a Text string using specified formatting string

Arguments:

• format :: Text: Format string
• date :: UTCTime: Date to format

Return value: String containing a date in a specified format

dateFormatISO8601 :: UTCTime -> Text

Formats a date into a Text string using ISO8601 formatting string

Format: %Y-%m-%d %H:%M:%S

Output example: 2018-11-25 00:00:01

Arguments:

• date :: UTCTime: Date to format

Return value: String containing a date in ISO8601 format

data DateParseISO8601Error

Error record for dateParseISO8601 function

Constructors

DateParseISO8601Error

Fields

• invalidDate :: Text

  Invalid date string specified for parsing

Instances

Show DateParseISO8601Error

Defined in VtUtils.Date

Methods

showsPrec :: Int -> DateParseISO8601Error -> ShowS

show :: DateParseISO8601Error -> String

showList :: [DateParseISO8601Error] -> ShowS

dateParseISO8601 :: Text -> Either DateParseISO8601Error UTCTime

Parses Text string using ISO8601 format

Expected input example: 2018-11-25 00:00:01

Arguments:

• text :: Text: Text string containing a date in ISO8601 format

Return value: Parsed date or error message