Function _getTypedCallbackArgCount

src/function/matrix/map.js:240–246

* Determines the argument pattern of a typed callback function. * @param {Function} callback - The typed callback function to analyze * @param {Array} values - Sample values for signature resolution * @param {Array} idx - Sample index for signature resolution * @param {Array} arrays - Sample arr

(callback, values, idx, arrays)

 */

  function _getTypedCallbackArgCount (callback, values, idx, arrays) {
    if (typed.resolve(callback, [...values, idx, ...arrays]) !== null) { return 2 }
    if (typed.resolve(callback, [...values, idx]) !== null) { return 1 }
    if (typed.resolve(callback, values) !== null) { return 0 }
    // this should never happen
    return 0
  }
  /**
 * Map for a multi dimensional array
 * @param {Array} array