rotate (original) (raw)

Rotate values in array.

Alternatives: rotate, rotate$.
Similar: repeat, cycle, rotate, reverse.

function rotate(x, n) // x: an array // n: rotate amount (+ve: left, -ve: right) [0]

const xarray = require('extra-array');

var x = [1, 2, 3, 4]; xarray.rotate(x, 1); // → [ 2, 3, 4, 1 ]

xarray.rotate(x, 2); // → [ 3, 4, 1, 2 ]

xarray.rotate(x, -1); // → [ 4, 1, 2, 3 ]

References

• Collections.rotate() : Java
• arr-rotate : @kevva