Contents

module Isogram

open System

let normalize str = str |> Seq.filter Char.IsLetter |> Seq.map Char.ToLower |> Seq.toList

let isIsogram str = 
    let normalized = normalize str
    Seq.length normalized = (normalized |> Seq.distinct |> Seq.length) 

Version data entries

134 entries across 134 versions & 1 rubygems

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