def _element_constructor_(self, data):
r"""
Build an element of that set from ``data``.
EXAMPLES::
sage: S1 = TotallyOrderedFiniteSet([1,2,3])
sage: x = S1(1); x # indirect doctest
1
sage: x.parent()
Integer Ring
sage: S2 = TotallyOrderedFiniteSet([3,2,1], facade=False)
sage: y = S2(1); y # indirect doctest
1
sage: y.parent()
{3, 2, 1}
sage: y in S2
True
sage: S2(y) is y
True
"""
if self._facade_elements is None:
return FiniteEnumeratedSet._element_constructor_(self, data)
try:
i = self._facade_elements.index(data)
except ValueError:
raise ValueError("%s not in %s" % (data, self))
return self._elements[i]
def _element_constructor_(self, data):
r"""
Build an element of that set from ``data``.
EXAMPLES::
sage: S1 = TotallyOrderedFiniteSet([1,2,3])
sage: x = S1(1); x # indirect doctest
1
sage: x.parent()
Integer Ring
sage: S2 = TotallyOrderedFiniteSet([3,2,1], facade=False)
sage: y = S2(1); y # indirect doctest
1
sage: y.parent()
{3, 2, 1}
sage: y in S2
True
sage: S2(y) is y
True
"""
if self._facade_elements is None:
return FiniteEnumeratedSet._element_constructor_(self, data)
try:
i = self._facade_elements.index(data)
except ValueError:
raise ValueError("%s not in %s"%(data, self))
return self._elements[i]
