def refresh_impl(self):
for c in self.conditions:
if truthy(simplify(c[0])):
self.value = simplify(c[1])
return
# else cond
if isinstance(self.else_val, ItemStream):
self.value = self.else_val
else:
self.value = simplify(self.else_val)
def refresh_impl(self):
self.value = []
for child in self.children:
result = simplify(child)
if isinstance(result, ItemStream):
for it in result:
self.value.append(it)
else:
self.value.append(result)
def eval_pair(pair):
# handle Undefined behavior
if pair.value is Undefined and pair.key in self.value:
del self.value[pair.key]
else:
self.value[simplify(pair.key)] = simplify(pair.value)
