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function reverseInPlace(arr) {
  let length = arr.length,
  middle = Math.floor(length / 2),
  temp = null

  for(let i = 0; i < middle; i++) {
    temp = arr[i]
    arr[i] = arr[arr.length - 1 - i]
    arr[arr.length - 1 - i] = temp
  }

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function delay(ms) {
  return new Promise(resolve => {
    setTimeout(resolve, ms);
  });
}

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export const lazy = (componentFactoryPromise) => {
  const componentPromise = componentFactoryPromise()
  let Component
  componentPromise.then(C => {
    Component = C.default
  })

  return (props) => {
    if(!Component) {
      throw componentPromise