Question

How to remove duplicates from int array in F#

Answer 1

let arr = [|5; 6; 3; 2; 1; 5; 1; 5; 6|]

let arr1 = set arr |> Seq.toArray

printfn "%A" arr1



(*
run:

[|1; 2; 3; 5; 6|]

*)

 

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Answer 2

let arr = [|5; 6; 3; 2; 1; 5; 1; 5; 6|]

let arr1 = arr |> Seq.distinct |> Seq.toArray

printfn "%A" arr1




(*
run:

[|5; 6; 3; 2; 1|]

*)

 

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