def jpeg.huff.find
gralha-jpeg-decode@0.1.0.1 · jpeg.bend:131
import gralha-jpeg-decode@0.1.0.1/jpeg.bend as Jpeg
import Base
import gralha-text-scan@0.1.0.1/scan.bend as U
import gralha-bytes@0.1.0.1/bytes.bend as Bin
131def jpeg.huff.find(xs: List<&2, JPEGHuff>, +id: U32, +ac: Bool) -> Bin.Huffman:
132 match xs:
133 case Nil{}: Bin.HuffEmpty{}
134 case Con{JPEGHuff{key, kind, node}, rest}: U.branch(Bin.Huffman, U32.is_eq(key, id) && U.choose(Bool, kind, ac, Bool.not(ac)), _ => node, _ => jpeg.huff.find(rest, id, ac))