Contents

module GradeSchool exposing (..)

import Dict exposing (..)


type alias Grade =
    Int


type alias Student =
    String


type alias School =
    Dict Int (List Student)


empty : School
empty =
    Dict.empty


addStudent : Grade -> Student -> School -> School
addStudent grade student school =
    Dict.insert grade (List.sort (student :: (studentsInGrade grade school))) school


studentsInGrade : Grade -> School -> List Student
studentsInGrade grade school =
    case (Dict.get grade school) of
        Just list ->
            list

        Nothing ->
            []


allStudents : School -> List ( Grade, List Student )
allStudents school =
    Dict.toList school |> List.sortBy Tuple.first

Version data entries

284 entries across 284 versions & 1 rubygems

Version	Path
trackler-2.2.1.104	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.103	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.102	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.101	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.100	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.99	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.98	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.97	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.96	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.95	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.94	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.93	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.92	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.91	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.90	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.89	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.88	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.87	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.86	tracks/elm/exercises/grade-school/GradeSchool.example.elm
trackler-2.2.1.85	tracks/elm/exercises/grade-school/GradeSchool.example.elm