export function range(end: number): number[]
export function range(start: number, end: number): number[]
export function range(start: number, end: number, step: number): number[]
export function range(...args: number[]): number[] {
  switch (args.length) {
    case 1:
      return range(0, args[0], 1)
    case 2:
      return range(args[0], args[1], 1)
    default:
      const [start, end, step] = args
      return [...Array(Math.ceil((end - start) / step))].map((v: number, i: number) => start + i * step)
  }
}

export function repeat(times: number, func: (iteration: number) => any) {
  for (let i = 0; i < times; i++) func(i)
}