Question

How to use array in F#

Answer 1

let arr = [|0 .. 5|]
printfn "%A" arr
 
printfn "%A" arr.Length
 
 
(* 
run:
 
[|0; 1; 2; 3; 4; 5|]
6
 
*)

 

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Answer 2

let arr = [|6; 8; 2; 9|]

printfn "%A" arr
  

  
(* 
run:
  
[|6; 8; 2; 9|]
  
*)

 

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Answer 3

let arr = [| for i in 1 .. 5 -> i * i |]

printfn "%A" arr
  

  
(* 
run:
  
[|1; 4; 9; 16; 25|]
  
*)

 

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Answer 4

let arr = [|6; 8; 2; 9|]

for i in 0 .. arr.Length - 1 do
    printf "%d " (Array.get arr i)
  

  
(* 
run:
  
6 8 2 9 
  
*)

 

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