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