let xs = Array2D.init 10 10 (fun x y -> x * 10 + y) printfn "[4 .. 7, 6 .. 9] = \n%A" xs.[4 .. 7, 4 .. 9]
Standard input is empty
[4 .. 7, 6 .. 9] = [[44; 45; 46; 47; 48; 49] [54; 55; 56; 57; 58; 59] [64; 65; 66; 67; 68; 69] [74; 75; 76; 77; 78; 79]]