Chacha20.take: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/chacha/chacha20.bend as Chacha20
Lines 120-124 of bend-collections@1.0.0.0/src/crypto/chacha/chacha20.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/chacha/chacha20.bend&start_line=120&end_line=124

import Base

def take(n: Nat, xs: List<&2, U32>) -> List<&2, U32>:
  match n xs:
    case 0n _: Nil{}
    case 1n+p Nil{}: Nil{}
    case 1n+p x <> rest: x <> take(p, rest)

Uses (3):
  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