Leave opening parentheses on the same line

[ag-eitilt]

Currently, the formatter explodes parenthesized expressions such that the opening and closing parentheses both get their own lines. I will admit this is slightly better in verticalized constructors when every argument has been given its own line, but in (what I expect to be more common) cases where the expression is one of only a small number of arguments, putting the open parenthesis on its own line is reminiscent of the debate over C/C++ {.

For reference, the current output (ignoring the fact that this would be one-lined due to being less than the max width) would be:

    checkJFields
    (
        Nil
    )
    ( 
        "OptionalField" :-> checkJString,
        Nil
    )
    settings

... and I'm proposing:

    checkJFields (
        Nil
    ) ( 
        "OptionalField" :-> checkJString,
        Nil
    )
    settings