Lane.rotate_if: 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 16-19 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=16&end_line=19

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

def rotate_if(lo: U32, hi: U32, +n: Nat, b: Bool) -> T.Lane:
  match b:
    case True{}: small(lo,hi,n)
    case False{}: small(hi,lo,Nat.sub(n,32n))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/lane.bend&name=small
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/types.bend&name=Lane