init need not be a function

[Quelklef]

Currently,

init :: flags -> Update msg model

I assume this is inherited from Elm.

Because Purescript has main :: Effect a instead of main :: Program a b c like Elm, we actually don't need flags: instead of writing

main = do
  let app = Elmish.app { init: initialize, ... }
  myFlag <- getFlag
  runEffectFn1 myFlag app

We can write

main = do
  myFlag <- getFlag
  let app = Elmish.app { init: const (initialize myFlag) }
  runEffectFn1 unit app

As such, it seems appropriate to me to change init :: flags -> Update msg model to init :: Update msg model or even just init :: model.

[Quelklef]

If you think this would be an appropriate change, I can implement it; more opportunity to get comfy with the elmish codebase

[Quelklef]

Conclusion reached: make init :: Update msg model -- flags are unnecessary, but it's nice to do all those Effects within an initialization function

[ursi]

Also if you really need a flags-like api, you can wrap main and make it yourself