So then, I guess, the solution would be to use a fixed-precision integer type instead.
On Fri, Oct 28, 2011 at 1:54 PM, Daniel Fischer
<daniel.is.fischer@googlemail.com> wrote:
On Friday 28 October 2011, 11:41:15, Eugene Kirpichov wrote:
> newtype Day = ModifiedJulianDay {toModifiedJulianDay :: Integer}
> newtype DiffTime = MkDiffTime Pico
>
> And Pico is also essentially a newtype for Integer.
>
> So, I'm getting warnings on this definition of UTCTime.
> QUESTION: Is it the case that I can only UNPACK primitive fields, and
> not even their newtypes?
The problem is that you can't {-# UNPACK #-} Integer.
You can only unpack single-constructor types.
--
Eugene Kirpichov
Principal Engineer, Mirantis Inc.
http://www.mirantis.com/Editor,
http://fprog.ru/