def position(dynamic, check=None):
if check is None:
return utils.create_number(dynamic.context_position)
return utils.create_boolean(
utils.get_single_instance(check, d.Number).get_as_int() == dynamic.context_position)
def count(dynamic, sequence=None):
if sequence is None:
return utils.create_number(dynamic.context_size)
return sequence.get_size()
def size(dynamic):
thing = dynamic.context_item
if not isinstance(thing, (d.List, d.Object)):
raise e.TypeException("Expected " + str(thing) + " to be a list or object")
return utils.create_number(dynamic.context_item.get_size())