Datasets:
File size: 587 Bytes
dc0eab8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | from runtime.types import ListValue, DictValue, Integer, InvalidArgument
def list_len(lst: ListValue) -> Integer:
return Integer(len(lst.items))
def list_get(lst: ListValue, idx: Integer):
i = idx.value
if i < 0 or i >= len(lst.items):
raise InvalidArgument("list index out of range")
return lst.items[i]
def list_append(lst: ListValue, item) -> ListValue:
return ListValue(items=lst.items + [item])
def dict_get(d: DictValue, key: str):
if key not in d.fields:
raise InvalidArgument(f"key {key!r} not found in dict")
return d.fields[key]
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