File: cases_exp_grouping.ml.ref

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let _ =
  match x with
  | A ->
    begin match B with A -> fooooooooooooo
    end
  | A ->
    begin match B with A -> fooooooooooooo | B -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A -> fooooooooooooo
    | B -> fooooooooooooo
    | C -> fooooooooooooo
    | D -> fooooooooooooo
    end
[@@ocamlformat "break-cases=fit"]

let _ =
  match x with
  | A ->
    begin match B with A -> fooooooooooooo
    end
  | A ->
    begin match B with A -> fooooooooooooo | B -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A ->
        fooooooooooooo
    | B ->
        fooooooooooooo
    | C ->
        fooooooooooooo
    | D ->
        fooooooooooooo
    end
[@@ocamlformat "break-cases=nested"]

let _ =
  match x with
  | A ->
    begin match B with
    | A -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A -> fooooooooooooo
    | B -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A -> fooooooooooooo
    | B -> fooooooooooooo
    | C -> fooooooooooooo
    | D -> fooooooooooooo
    end
[@@ocamlformat "break-cases=toplevel"]

let _ =
  match x with
  | A ->
    begin match B with
    | A -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A -> fooooooooooooo
    | B -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A -> fooooooooooooo
    | B -> fooooooooooooo
    | C -> fooooooooooooo
    | D -> fooooooooooooo
    end
[@@ocamlformat "break-cases=fit-or-vertical"]

let _ =
  match x with
  | A ->
    begin match B with
    | A -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A -> fooooooooooooo
    | B -> fooooooooooooo
    end
  | A ->
    begin match B with
    | A -> fooooooooooooo
    | B -> fooooooooooooo
    | C -> fooooooooooooo
    | D -> fooooooooooooo
    end
[@@ocamlformat "break-cases=all"]

let a =
  begin match f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin match%lwt f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin%e match%lwt f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin%e match f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin match f x i with A -> a | B -> b
  end

let a =
  begin[@a] match[@b]
    f xxxx xxxxx xxxxx xxxxxxxxxxxxxxxxx
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx i iiiiiiiiiiiiiiiiiii
  with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin%e[@a] match%lwt[@b]
    f xxxx xxxxx xxxxx xxxxxxxxxxxxxxxxx
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx i iiiiiiiiiiiiiiiiiii
  with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin match
    f xxxx xxxxx xxxxx xxxxxxxxxxxxxxxxx
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx i iiiiiiiiiiiiiiiiiii
  with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin%e try f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin try f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin try%lwt f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin%e try%lwt f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin%e try f x i with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin try f x i with A -> a | B -> b
  end

let a =
  begin[@a] try[@b]
    f xxxx xxxxx xxxxx xxxxxxxxxxxxxxxxx
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx i iiiiiiiiiiiiiiiiiii
  with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin%e[@a] try%lwt[@b]
    f xxxx xxxxx xxxxx xxxxxxxxxxxxxxxxx
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx i iiiiiiiiiiiiiiiiiii
  with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let a =
  begin try
    f xxxx xxxxx xxxxx xxxxxxxxxxxxxxxxx
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx i iiiiiiiiiiiiiiiiiii
  with
  | A ->
      f aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  | B ->
      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  end

let () =
  if true then
    begin match () with
    | () ->
        ()
    | aaaaaaaaaaaa ->
        aaaaaaaaaaa
    | bbbbbbbbbb ->
        bbbbbbbbbbbbbbbbb
    end
  else
    begin match () with
    | () ->
        ()
    | aaaaaaaaaaaa ->
        aaaaaaaaaaa
    | bbbbbbbbbb ->
        bbbbbbbbbbbbbbbbb
    end

let () =
  (* this is ugly but should never be used. *)
  if true then begin
    begin match () with
    | () ->
        ()
    | aaaaaaaaaaaa ->
        aaaaaaaaaaa
    | bbbbbbbbbb ->
        bbbbbbbbbbbbbbbbb
  end
  end

let () =
  (* Add a third one and it has indentation on `end`. *)
  if true then begin begin
      begin match () with
      | () ->
          ()
      | aaaaaaaaaaaa ->
          aaaaaaaaaaa
      | bbbbbbbbbb ->
          bbbbbbbbbbbbbbbbb
      end
  end
  end

let () =
  if true then begin
    () ;
    begin match () with
    | () ->
        ()
    | aaaaaaaaaaaa ->
        aaaaaaaaaaa
    | bbbbbbbbbb ->
        bbbbbbbbbbbbbbbbb
    end
  end