Datasets:
File size: 791 Bytes
bb10b25 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | from runtime.types import Bytes, Integer, InvalidArgument
def bytes_from_list(lst) -> Bytes:
return Bytes(bytes([x.value if isinstance(x, Integer) else int(x) for x in lst]))
def len_bytes(b: Bytes) -> Integer:
return Integer(len(b.data))
def get_byte(b: Bytes, idx: Integer) -> Integer:
if idx.value < 0 or idx.value >= len(b.data):
raise InvalidArgument("byte index out of range")
return Integer(b.data[idx.value])
def slice_bytes(b: Bytes, start: Integer, end: Integer) -> Bytes:
return Bytes(b.data[start.value:end.value])
def concat_bytes(*parts) -> Bytes:
result = b''
for p in parts:
if isinstance(p, Bytes):
result += p.data
else:
raise InvalidArgument("concat expects Bytes")
return Bytes(result)
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