Bytes.bits.read: def of gralha-bytes@0.1.0.1
Import: import gralha-bytes@0.1.0.1/bytes.bend as Bytes
Lines 116-123 of gralha-bytes@0.1.0.1/bytes.bend: https://jend.leeeet.dev/read.txt?path=gralha-bytes@0.1.0.1/bytes.bend&start_line=116&end_line=123

import Base

def bits.read(stream: BitStream, +count: U32) -> BitRead:
  BitStream{data, position, limit, valid} = stream
  +src = data
  +pos = position
  +end = limit
  +at = (pos / 8 : U32)
  +word = (bytes.get(src, at) + bytes.get(src, U32.inc(at)) * 256 + bytes.get(src, (at + 2 : U32)) * 65536 : U32)
  BitRead{U32.and(U32.shrn(word, U32.to_nat(U32.mod(pos, 8))), (U32.shln(1, U32.to_nat(count)) - 1 : U32)), BitStream{src, (pos + count : U32), end, valid && U32.is_le((pos + count : U32), end)}}

Uses (16):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.div
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.inc
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mod
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shrn
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=gralha-bytes@0.1.0.1/bytes.bend&name=BitRead
  https://jend.leeeet.dev/definition.txt?path=gralha-bytes@0.1.0.1/bytes.bend&name=BitStream
  https://jend.leeeet.dev/definition.txt?path=gralha-bytes@0.1.0.1/bytes.bend&name=bytes.get