As an array containing a string and a boolean, it is interpreted as [<format>,<has_time>]
where format is a date/time format and has_time is a flag to indicate if the format has time information in it
As a DateCreatorFunction it is a function that takes a string and produces a date.
This represents a strategy for parsing a date.
[<format>,<has_time>]whereformatis a date/time format andhas_timeis a flag to indicate if the format has time information in itDateCreatorFunctionit is a function that takes a string and produces a date.