import pixie.vm.object as object

from pixie.vm.code import extend, as_var

from pixie.vm.primitives import nil

import pixie.vm.stdlib as proto

class Atom(object.Object):

_type = object.Type(u"pixie.stdlib.Atom")

def type(self):

return Atom._type

def __init__(self, boxed_value):

self._boxed_value = boxed_value

@extend(proto._reset_BANG_, Atom)

def _reset(self, v):

assert isinstance(self, Atom)

self._boxed_value = v

return self

@extend(proto._deref, Atom)

def _deref(self):

assert isinstance(self, Atom)

return self._boxed_value

@as_var("atom")

def atom(val=nil):

return Atom(val)