def xor
import bend-kit-postgres@0.3.0.0/scram.bend as Scramimport Base
178def xor(a: String, b: String) -> String:
179 match a b:
180 case SCon{Chr{+x}, at} SCon{Chr{+y}, bt}:
181 SCon{Chr{(x .^. y : U32)}, xor(at, bt)}
182 case _ _:
183 SNil{}