Contents

module Triangle exposing (..)

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

292 entries across 292 versions & 1 rubygems

Version	Path
trackler-2.0.5.13	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.12	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.11	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.10	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.9	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.8	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.7	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.6	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.5	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.4	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.3	tracks/elm/exercises/triangle/Triangle.example.elm
trackler-2.0.5.2	tracks/elm/exercises/triangle/Triangle.example.elm