Chacha8rand.head: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend as Chacha8rand
Lines 180-185 of bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend&start_line=180&end_line=185

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

def head(xs: List<&2, W.U64>) -> W.U64:
  match xs:
    case Nil{}:
      W.U64{0, 0}
    case Con{x, rest}:
      x

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/u64.bend&name=U64