# Any Any = .
# Booleans Nil = .NilClass True = .TrueClass False = .FalseClass Boolean = .TrueClass|.FalseClass
# Numbers Numeric = .Numeric Integer = .Integer Float = .Float Real = .Float
# String String = .String
# Date, Time, DateTime Date = .Date <iso8601> .String ( s | Date.iso8601(s) )
\( d | d.iso8601 )
Time = .Time <iso8601> .String ( s | Time.iso8601(s) )
\( t | t.iso8601 )
DateTime = .DateTime <iso8601> .String ( s | DateTime.iso8601(s) )
\( t | t.iso8601 )