String Int Long Short
Byte Boolean Double
Float Char Any AnyRef
AnyVal Unit Nothing
----------------------------------------------------
[
["builtin", "String"], ["builtin", "Int"], ["builtin", "Long"], ["builtin", "Short"],
["builtin", "Byte"], ["builtin", "Boolean"], ["builtin", "Double"],
["builtin", "Float"], ["builtin", "Char"], ["builtin", "Any"], ["builtin", "AnyRef"],
["builtin", "AnyVal"], ["builtin", "Unit"], ["builtin", "Nothing"]
]
----------------------------------------------------
Checks for builtins.
