Function shapeOfArray2D

get the shape of a 2d array as a 2-tuple describing the major-axis's length, and the minor-axis's length.

Example

const arr2d: Array2DRowMajor<T> = [
	[1 , 2 , 3 , 4 , 5 ],
	[6 , 7 , 8 , 9 , 10],
	[11, 12, 13, 14, 15],
]
const [rows, cols] = shapeOfArray2D(arr2d)
rows === 3
cols === 5

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