ValueScript/inputs/passing/copyCounting/arraySwap.ts

//! test_output(4)
// Should be: 0

/// <reference path="../../../concept-code/vs.d.ts" />

export default function main() {
  return measure(true) - measure(false);
}

function measure(swap: boolean) {
  const x = Debug.makeCopyCounter("x");

  let arr = [x, "y", "z"];

  if (swap) {
    [arr[1], arr[2]] = [arr[2], arr[1]];
  }

  return x.count;
}