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-2.2.1.78	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.77	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.76	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.75	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.74	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.73	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.72	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.71	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.70	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.69	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.68	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.67	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.66	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.65	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.64	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.63	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.62	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.61	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.60	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.59	tracks/fsharp/exercises/pascals-triangle/Example.fs