Contents

module Triangle exposing (Triangle(..), triangleKind, version)

import Set


type Triangle
    = Equilateral
    | Isosceles
    | Scalene


version : Int
version =
    2


triangleKind : comparable -> comparable -> comparable -> Result String Triangle
triangleKind x y z =
    if x <= 0 || y <= 0 || z <= 0 then
        Err "Invalid lengths"
    else if x + y <= z || x + z <= y || y + z <= x then
        Err "Violates inequality"
    else
        case Set.size (Set.fromList [ x, y, z ]) of
            1 ->
                Ok Equilateral

            2 ->
                Ok Isosceles

            _ ->
                Ok Scalene

Version data entries

66 entries across 66 versions & 1 rubygems

Version	Path
trackler-2.2.1.159	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.158	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.157	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.156	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.155	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.154	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.153	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.152	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.151	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.150	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.149	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.148	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.147	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.146	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.145	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.144	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.143	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.142	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.141	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.2.1.140	tracks/elm/exercises/triangle/Triangle.example.elm