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-2.2.1.139	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.138	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.137	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.136	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.135	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.134	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.133	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.132	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.131	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.130	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.129	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.128	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.127	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.126	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.125	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.124	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.123	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.122	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.121	tracks/fsharp/exercises/pascals-triangle/Example.fs
trackler-2.2.1.120	tracks/fsharp/exercises/pascals-triangle/Example.fs