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-2.2.1.180	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.179	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.178	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.177	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.176	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.175	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.174	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.173	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.172	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.171	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.170	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.169	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.167	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.166	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.165	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.164	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.163	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.162	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.161	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.160	tracks/fsharp/exercises/pascals-triangle/Example.fs