Total applications of functions with labeled arguments will work,
even if the actual arguments have no labels. So if you call 
    let my_a = ... in
    let my_b = ... in
      f my_b my_a
it doesn't matter whether you declared
    let f (a:int) (b:int) = a * (b + 1);;
or
    let f ~(a:int) ~(b:int) = a * (b + 1);;
and none will save you from the bug of passing the arguments in the
wrong order.  A bug like this cost me a few nights of sleep a while ago.

Is there a programming convention that would "enforce" labeling the 
arguments in a total application of a certain function? 

Thanks,

-- Manos

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