Function predicate

deps/v8/test/mjsunit/es6/array-find.js:246–246

(v)

  };
  const received = [];
  const predicate = (v) => { received.push(v); return false; };
  const found = Array.prototype.find.call(obj, predicate);
  assertEquals(undefined, found);
  assertArrayEquals([0, undefined, 2], received);