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