hunk.code_window: type CurriedFn1<A, R> = <A>(a: A) => R
   declare module.exports: CurriedFn1<Date | number, number>
  
hunk.labels: keep keep keep replace
hunk.after_edit: declare module.exports: CurriedFn1<Date | number, 0 | 1 | 2 | 3 | 4 | 5 | 6>
hunk.file_path: src/fp/getDay/index.js.flow
hunk.type: replace
file: import toDate from '../toDate/index.js'
  import requiredArgs from '../_lib/requiredArgs/index.js'
  
  /**
   * @name getDay
   * @category Weekday Helpers
   * @summary Get the day of the week of the given date.
   *
   * @description
   * Get the day of the week of the given date.
   *
   * ### v2.0.0 breaking changes:
   *
   * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
   *
   * @param {Date|Number} date - the given date
   * @returns {Number} the day of week
   * @throws {TypeError} 1 argument required
   *
   * @example
   * // Which day of the week is 29 February 2012?
   * var result = getDay(new Date(2012, 1, 29))
   * //=> 3
   */
  export default function getDay(dirtyDate) {
    requiredArgs(1, arguments)
  
    var date = toDate(dirtyDate)
    var day = date.getDay()
    return day
  }
  