fourmolu-0.4.0.0: data/examples/declaration/value/function/record/constructors.hs

foo = Foo { a = 3 }
bar = Bar {
    abc = foo,
    def = Foo {a = 10}
}
baz = Baz{ }
sym = Foo { (+) = 3 }
aLongVariableName =
  ALongRecordName
    { short = baz,
      aLongRecordFieldName = YetAnotherLongRecordName
        { yetAnotherLongRecordFieldName = "a long string"
          },
      aLongRecordFieldName2 = Just YetAnotherLongRecordName
                                 { yetAnotherLongRecordFieldName = "a long string",
                                   yetAnotherLongRecordFieldName = Just
                                                                     "a long string"
                                   },
      aLongRecordFieldName3 = do
                               foo
                               bar
      }