Limbs.bits: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/limbs.bend as Limbs
Lines 219-223 of bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/limbs.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/limbs.bend&start_line=219&end_line=223

import Base

# all bits of a limb list, most significant first (16 per limb)
def bits(xs: List<&2, Nat>) -> List<&2, Nat>:
  match xs:
    case Nil{}: Nil{}
    case x <> t: List.append(&2, Nat, bits(t), bits_of(16n, x))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/limbs.bend&name=bits_of