def map_operator_binding(self, expr):
if isinstance(expr.op, self.op_class):
result = OrderedSet([expr])
else:
result = OrderedSet()
return result | CombineMapper.map_operator_binding(self, expr)
def map_flux_exchange(self, expr):
return OrderedSet([expr])
def map_constant(self, expr, *args, **kwargs):
return OrderedSet()
def combine(self, values):
from pytools import flatten
return OrderedSet(flatten(values))