Lane.rotate: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/lane.bend as Lane
Lines 21-26 of bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/lane.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/lane.bend&start_line=21&end_line=26

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/types.bend as T

def rotate(s: T.Lane, +n: Nat) -> T.Lane:
  match s n:
    case T.W{lo,hi} 0n: T.W{lo,hi}
    case T.W{lo,hi} 32n: T.W{hi,lo}
    case T.W{lo,hi} n:
      rotate_if(lo,hi,n,Nat.is_lt(n,32n))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/lane.bend&name=rotate_if
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/types.bend&name=Lane