Chacha8.pop: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/math/random/chacha8.bend as Chacha8
Lines 68-75 of bend-collections@1.0.0.0/src/math/random/chacha8.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/math/random/chacha8.bend&start_line=68&end_line=75

import Base
import bend-collections@1.0.0.0/src/math/u64.bend as W

def pop(g: ChaCha8) -> W.U64 & ChaCha8:
  match g:
    case C{k, p, buf}:
      match buf:
        case Con{x, rest}:
          (x, C{k, p, rest})
        case Nil{}:
          (zero(), C{k, p, []})

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/random/chacha8.bend&name=ChaCha8
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/random/chacha8.bend&name=zero
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/u64.bend&name=U64