__doc__ = u"""

    >>> m = fmatrix()

    >>> m[1] = True

    >>> m.getfoo()

    1

    >>> m[0] = True

    >>> m.getfoo()

    0

"""

cdef class fmatrix:

  cdef int foo

  def __setitem__(self, int key, int value):

    if key:

      self.foo = value

      return

    self.foo = not value

  def getfoo(self):

    return self.foo