Function rotateArray2DMajor

rotate the major-axis of a 2D array by the specified amount to the right. the original array is mutated
given a row-major 2D array arr2d, this function would rotate its rows by the specified amount.
a positive amount would rotate the rows to the right, and a negative amount would rotate it to the left.

Example

const arr2d: Array2DRowMajor<number> = [
    [1 , 2 , 3 ],
    [4 , 5 , 6 ],
    [7 , 8 , 9 ],
    [10, 11, 12],
    [13, 14, 15],
]
rotateArray2DMajor(arr2d, 2)
arr2d === [
    [10, 11, 12],
    [13, 14, 15],
    [1 , 2 , 3 ],
    [4 , 5 , 6 ],
    [7 , 8 , 9 ],
]
Copy