[Haskell-cafe] Converting EpochTime to Integer

[Roman Cheplyaka]

On 16/09/15 16:04, Brandon Allbery wrote:
> On Wed, Sep 16, 2015 at 7:19 AM, Bram Neijt <bneijt at gmail.com
> <mailto:bneijt at gmail.com>> wrote:
> 
>     If I use
>         return (toInteger mtime)
>     I get
>         src/Main.hs:21:13:
>             No instance for (Integral System.Posix.Types.EpochTime)
> 
> 
> I had been wondering about the claim that it had an Integral instance,..
> it has Num but not Integral.
> 
> It *does* have an Enum instance, so fromEnum shoiuld work.

Except that's not 2038-safe (fromEnum :: Enum a => a -> Int).

Roman

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