External module "utils/map4d/docs/types/index.d"

Export assignment map4d

• map4d(arr: ArrayLike<ArrayLike<ArrayLike<ArrayLike<any>>>>, fcn: Function, thisArg?: any): Array<Array<Array<Array<any>>>>

• Applies a function to each nested element in a four-dimensional nested array and assigns the result to a nested element in a new four-dimensional nested array.

  Notes

  • The applied function is provided the following arguments:

    • value: array element.
    • i0: index of the first dimension.
    • i1: index of the second dimension.
    • i2: index of the third dimension.
    • i3: index of the fourth dimension.
    • arr: input array.

  Parameters

  • arr: ArrayLike<ArrayLike<ArrayLike<ArrayLike<any>>>>

    four-dimensional nested array

  • fcn: Function

    function to apply

  • Optional thisArg: any

    input function context

  Returns Array < Array < Array < Array < any > > > >

  four-dimensional nested array

  Example

  var naryFunction = require( `@stdlib/utils/nary-function` );
  var abs = require( `@stdlib/math/base/special/abs` );
  
  var arr = [
      [ [ [ -1, -2, -3 ] ] ],
      [ [ [ -4, -5, -6 ] ] ]
  ];
  
  var out = map4d( arr, naryFunction( abs, 1 ) );
  // returns [ [ [ [ 1, 2, 3 ] ] ], [ [ [ 4, 5, 6 ] ] ] ]