Set up this silly little thing

.gitignore

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+elm-stuff

elm.json

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+{
+    "type": "application",
+    "source-directories": [
+        "src"
+    ],
+    "elm-version": "0.19.1",
+    "dependencies": {
+        "direct": {
+            "elm/browser": "1.0.2",
+            "elm/core": "1.0.5",
+            "elm/html": "1.0.0",
+            "elm/random": "1.0.0"
+        },
+        "indirect": {
+            "elm/json": "1.1.3",
+            "elm/time": "1.0.0",
+            "elm/url": "1.0.0",
+            "elm/virtual-dom": "1.0.3"
+        }
+    },
+    "test-dependencies": {
+        "direct": {},
+        "indirect": {}
+    }
+}

src/GenderFriends.elm

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+module GenderFriends exposing (altBlumBlumShub, nextBlumBlumShub, BoringGender(..), PolyGender, getBoringGender, getPolygenderWithLength, renderBoringGender, renderPolygender)
+
+m1 = 3042724273 -- Product of two 16 bit primes equivalent to 3 (mod 4)
+m2 = 1922092321 -- A different product of two 16 bit primes equivalent to 3 (mod 4)
+nextBlumBlumShub prev = modBy m1 (prev * prev)
+altBlumBlumShub prev = modBy m2 (prev * prev)
+
+type BoringGender = Girl | Boy
+type alias PolyGender = List BoringGender
+
+getBoringGender : Int -> (BoringGender, Int)
+getBoringGender seed =
+  let
+    bitFromSeed = modBy 2 seed == 1
+    nextSeed = nextBlumBlumShub seed
+  in
+    (if bitFromSeed then Girl else Boy, nextSeed)
+
+getPolygenderWithLength : Int -> Int -> (PolyGender, Int)
+getPolygenderWithLength n seed = case n of
+  0 -> ([], seed)
+  _ ->
+    let
+      (recursiveCase, newSeed) = getPolygenderWithLength (n - 1) seed
+      (boringGender, finalSeed) = getBoringGender newSeed
+    in
+      (boringGender :: recursiveCase, finalSeed)
+
+renderBoringGender : BoringGender -> String
+renderBoringGender gender = case gender of
+  Boy -> "boy"
+  Girl -> "girl"
+
+renderPolygender : PolyGender -> String
+renderPolygender polygender = case polygender of
+  [] -> "friends"
+  head :: tail -> (renderBoringGender head) ++ (renderPolygender tail)

src/Main.elm

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+module Main exposing (main)
+
+import Browser
+import Random
+import Html exposing (Html, button, div, p, text)
+import Html.Events exposing (onClick)
+import GenderFriends exposing (altBlumBlumShub, getPolygenderWithLength, renderPolygender)
+
+constant a b = a
+
+main = Browser.element
+  { init = init
+  , update = update
+  , subscriptions = constant Sub.none
+  , view = view
+  }
+
+type Model
+  = AwaitingSeed
+  | Ready Int {- seed -} Int {- regeneration count -}
+
+type Msg
+  = SetSeed Int
+  | Regenerate
+
+init : () -> (Model, Cmd Msg)
+init _ = (AwaitingSeed, Random.generate SetSeed (Random.int 2147483648 4294967296))
+
+update : Msg -> Model -> (Model, Cmd Msg)
+update msg model =
+  let
+    newModel =
+      case msg of
+        SetSeed seed -> Ready seed 0
+        Regenerate -> case model of
+          AwaitingSeed -> AwaitingSeed
+          Ready oldSeed regenCount -> Ready (altBlumBlumShub oldSeed) (regenCount + 1)
+  in
+    (newModel, Cmd.none)
+
+viewStr : Model -> String
+viewStr model = case model of
+  AwaitingSeed -> "...loading..."
+  Ready seed regenCount ->
+    let
+      (gender, newSeed) = getPolygenderWithLength regenCount seed
+      genderStr = renderPolygender gender
+    in "do u think a wuppie and a kitties could be " ++ genderStr ++ ",,?"
+
+view : Model -> Html Msg
+view model =
+  div []
+  [ p [] [ text (viewStr model) ]
+  , button
+    ( case model of
+      AwaitingSeed -> []
+      Ready _ _ -> [onClick Regenerate]
+    )
+    [ text "make it gayer" ]
+  ]