def __neg__(self):
"""The negation of the expression.
"""
return types.neg_expr()(self)
def __neg__(self):
"""The negation of the expression.
"""
return types.neg_expr()(self)
def __neg__(self):
"""The negation of the expression.
"""
return types.neg_expr()(self)
def __neg__(self):
"""The negation of the expression.
"""
return types.neg_expr()(self)