[projektfu]

In Haskell, you can do, if you prefer,

    someValue = let {f = 9;
      fo = 10;
      foo = 123 }
      in f+fo+foo

it will just look a little out of place.

Edited to add that this is also OK:

    someValue = let 
      f = 9
      fo = 10
      foo = 123
      in f+fo+foo