def find2.start
import lawful-bytes@0.1.1.0/bytes.bend as Bytesimport Base
import lawful-bytes@0.1.1.0/defs.bend as D
108def find2.start(n: Nat, r: D.Bytes & U32, +from: U32, +to: U32, +c1: U32, +c2: U32) -> D.Bytes & U32:
109 (b, +x) = r
110 find2.go(n, U32.is_eq(x, c1) || U32.is_eq(x, c2), at(b, (from + 1 : U32)), from, to, c1, c2)