Created
July 28, 2018 11:58
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Continuation for the F#101
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| // REPL https://repl.it/@FernandoCallejo/FSharp101-Pipes | |
| open System | |
| // partially function application as we saw previously | |
| let printItems items = printfn "%i" | |
| // Basic Pipes | |
| let items = [|35;66;1;0;83;9;217;3;8;-3;-12;09;2|] | |
| printItems items |> ignore | |
| // pass the items array to be sorted | |
| let orderItems = items |> Array.sort | |
| printItems orderItems |> ignore | |
| // Back Pipe | |
| let orderItemsBackPipe = Array.sort <| items | |
| printItems orderItemsBackPipe |> ignore | |
| // Composition Pipe | |
| let createDynamicArray q = | |
| let tmpArray = Array.create q 0 | |
| let rnd = new Random(DateTime.UtcNow.Millisecond) | |
| let setArrayItem = Array.set tmpArray | |
| for i in 0 .. tmpArray.Length - 1 do | |
| setArrayItem i (rnd.Next(200)) | |
| tmpArray | |
| // compose a function to create an array and sort | |
| let createAndSort = createDynamicArray >> Array.sort | |
| let createAndSortBackwards = Array.sort << createDynamicArray | |
| let sortedArray = createAndSort 30 | |
| printItems sortedArray |> ignore | |
| let sortedArrayBackwards = createAndSortBackwards 20 | |
| printItems sortedArrayBackwards |> ignore | |
| // next: Discriminators |
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