def __init__(self, X, Y, category=None):
"""
Initialize ``self``.
TESTS::
sage: B = crystals.Tableaux(['A', 2], shape=[2,1])
sage: H = Hom(B, B)
sage: B = crystals.infinity.Tableaux(['B',2])
sage: H = Hom(B, B)
"""
if category is None:
category = HighestWeightCrystals()
CrystalHomset.__init__(self, X, Y, category)
def __init__(self, X, Y, category=None):
"""
Initialize ``self``.
TESTS::
sage: B = crystals.Tableaux(['A', 2], shape=[2,1])
sage: H = Hom(B, B)
sage: B = crystals.infinity.Tableaux(['B',2])
sage: H = Hom(B, B)
"""
if category is None:
category = HighestWeightCrystals()
CrystalHomset.__init__(self, X, Y, category)