Ability to align custom token

[kiritsuku]

From @Driox on December 7, 2015 14:39

I use PlayMonadicAction (https://github.com/Kanaka-io/play-monadic-actions) and I write this kins of code

def action1(userId: String) = Action.async(parse.json) {
    request =>
      for {
        su   <- request.body.validate[StatusUpdate] ?| BadRequest(JsError.toFlatJson(_:ActionDSL.JsErrorContent))
        user <- SomeService.findUser(userId)        ?| NotFound
        _    <- SomeService.performUpdate(user, su) ?| Conflict
      } yield NoContent
  }

I would like to align the ?| operator vertically. Just like the => of case statement in pattern matching.
More generally, I want to align vertically every custom operator I will use.
Is it possible ?
If not I'll be glad to help you write it but I need some doc / explaination about how scalariform is working internally

Copied from original issue: daniel-trinh#97

[kiritsuku]

From @aki-s on January 6, 2016 11:29

Me too.

This case also applies to the following simple case;

 Map( 
      one   -> 1,
      two   -> 2,
      three -> 3)

becomes

 Map( 
      one -> 1,
      two -> 2,
      three -> 3)

When the length of each key and value becomes large, it degrades readability.
I know If you want the code 'as is', you can write directive "// format: OFF" and "//format: ON" ( https://github.com/daniel-trinh/scalariform#format-onoff ),
but this additional rule is annoying. (comment should be used only for code, not to the external tools.)