Permutation.theta_lane: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend as Permutation
Lines 60-61 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend&start_line=60&end_line=61

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

def theta_lane(+s: T.State, +x: Nat, y: Nat) -> T.Lane:
  xor(at(s,Nat.add(x,Nat.mul(5n,y))),xor(column(s,Nat.mod(Nat.add(x,4n),5n)),rotate(column(s,Nat.mod(Nat.add(x,1n),5n)),1n)))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mod
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend&name=at
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend&name=column
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend&name=rotate
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend&name=xor
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/types.bend&name=Lane
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/types.bend&name=State