Contents

module GradeSchool

let empty = Map.empty<int, string list>

let add student grade school = 
    match Map.tryFind grade school with
    | Some existing -> Map.add grade (student :: existing |> List.sort) school
    | None -> Map.add grade [student] school

let roster school = Map.toList school

let grade number school = 
    match Map.tryFind number school with
    | Some students -> students
    | None -> []

Version data entries

156 entries across 156 versions & 1 rubygems

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