Contents

module PascalsTriangle

let rows numberOfRows : int list list option = 
    match numberOfRows with 
    | r when r < 0 -> None
    | _ ->
        let row i = 
            [1 .. i - 1] 
            |> List.scan (fun acc j -> acc * (i - j) / j) 1 

        [1..numberOfRows] 
        |> List.map row
        |> Some

Version data entries

129 entries across 129 versions & 1 rubygems

Version	Path
trackler-2.2.1.98	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.97	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.96	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.95	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.94	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.93	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.92	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.91	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.90	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.89	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.88	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.87	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.86	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.85	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.84	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.83	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.82	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.81	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.80	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.79	tracks/fsharp/exercises/pascals-triangle/Example.fs