Chacha8rand.sub_at: 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 119-120 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=119&end_line=120

import Base

def sub_at(+x: List<&2, U32>, +i: Nat, +c: U32) -> List<&2, U32>:
  put(x, i, U32.sub(get(x, i), c))

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=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend&name=get
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend&name=put