# 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           )