def impl(d):
status, keyval = _dict_popitem(d)
if status == Status.OK:
return _nonoptional(keyval)
elif status == Status.ERR_DICT_EMPTY:
raise KeyError()
else:
raise AssertionError('internal dict error during popitem')
def integer_impl(l, index):
index = handle_index(l, index)
castedindex = _cast(index, indexty)
status, item = _list_getitem(l, castedindex)
if status == ListStatus.LIST_OK:
return _nonoptional(item)
else:
raise AssertionError("internal list error during getitem")
def impl(d, key):
castedkey = _cast(key, keyty)
ix, val = _dict_lookup(d, castedkey, hash(castedkey))
if ix == DKIX.EMPTY:
raise KeyError()
elif ix < DKIX.EMPTY:
raise AssertionError("internal dict error during lookup")
else:
return _nonoptional(val)
def impl(l, index=-1):
if len(l) == 0:
raise IndexError("pop from empty list")
index = handle_index(l, index)
castedindex = _cast(index, indexty)
status, item = _list_pop(l, castedindex)
if status == ListStatus.LIST_OK:
return _nonoptional(item)
else:
raise AssertionError("internal list error during pop")