def _set_operation(self, v):
v = convert.to_operation(v)
self.last_operation = v
if self.last_value:
if not self.expression:
self._create_expression("indicated by value and operation.")
if self.build_expression is None:
self.build_expression = True
self._assume("the beginning of a simple expression.")
if self.last_value:
self._add("last_value")
self._add("last_operation")
def _set_operation(self, v):
v = convert.to_operation(v)
self.last_operation = v
if self.last_value:
if not self.expression:
self._create_expression("indicated by value and operation.")
if self.build_expression is None:
self.build_expression = True
self._assume("the beginning of a simple expression.")
if self.last_value:
self._add("last_value")
self._add("last_operation")
def is_operation(s):
convert.to_operation(s)
def is_operation(s):
convert.to_operation(s)
