def puts.leaf.at
import bend-parallel@0.1.0.0/scan.bend as Scanimport Base
137def puts.leaf.at(+inc: Bool, +i: U32, +e: Nat, a: Array<U32>, r: Array<U32> & U32) -> Two:
138 (s, +base) = r
139 +at = U32.shln(i, e)
140 puts.leaf.fin(s, go(inc, U32.to_nat((U32.shln(1, e) - 1 : U32)), at, base, a[at]))